/* ============================================================
   Anna Vitoria - Main Stylesheet
   Brand: Vitoria Rocha Identity Manual
   Personality: Elegante, Confiavel, Profissional
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

/* --- Custom Font: Ophelia --- */
@font-face {
    font-family: 'Ophelia';
    src: url('../fonts/ophelia/Ophelia.woff2') format('woff2'),
         url('../fonts/ophelia/Ophelia.woff') format('woff'),
         url('../fonts/ophelia/Ophelia.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Ophelia';
    src: url('../fonts/ophelia/Ophelia-Bold.woff2') format('woff2'),
         url('../fonts/ophelia/Ophelia-Bold.woff') format('woff'),
         url('../fonts/ophelia/Ophelia-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ============================================================
   CSS Custom Properties (Brand Colors + Design Tokens)
   ============================================================ */
:root {
    /* Brand Colors */
    --color-creme:          #EDEBE7;
    --color-primary:        #960000;
    --color-primary-dark:   #2B0101;
    --color-primary-hover:  #932828;
    --color-secondary:      #933F3F;
    --color-body:           #110101;
    --color-border:         #DBDBDB;
    --color-placeholder:    #B2B2B2;

    /* Derived Colors */
    --color-white:          #FFFFFF;
    --color-black:          #000000;
    --color-success:        #2E7D32;
    --color-success-bg:     #E8F5E9;
    --color-warning:        #F57F17;
    --color-warning-bg:     #FFF8E1;
    --color-danger:         #960000;
    --color-danger-bg:      #FDECEA;
    --color-info:           #1565C0;
    --color-info-bg:        #E3F2FD;

    /* Typography */
    --font-body:            'Roboto', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-display:         'Ophelia', Georgia, 'Times New Roman', serif;

    --text-xs:              0.75rem;
    --text-sm:              0.875rem;
    --text-base:            1rem;
    --text-lg:              1.125rem;
    --text-xl:              1.25rem;
    --text-2xl:             1.5rem;
    --text-3xl:             1.875rem;
    --text-4xl:             2.25rem;
    --text-5xl:             3rem;

    --font-light:           300;
    --font-regular:         400;
    --font-medium:          500;
    --font-semibold:        600;
    --font-bold:            700;

    --leading-tight:        1.25;
    --leading-normal:       1.6;
    --leading-relaxed:      1.75;

    /* Spacing */
    --space-1:              0.25rem;
    --space-2:              0.5rem;
    --space-3:              0.75rem;
    --space-4:              1rem;
    --space-5:              1.25rem;
    --space-6:              1.5rem;
    --space-8:              2rem;
    --space-10:             2.5rem;
    --space-12:             3rem;
    --space-16:             4rem;
    --space-20:             5rem;
    --space-24:             6rem;

    /* Borders & Radius */
    --radius-sm:            0.25rem;
    --radius-md:            0.5rem;
    --radius-lg:            0.75rem;
    --radius-xl:            1rem;
    --radius-full:          9999px;

    /* Shadows */
    --shadow-sm:            0 1px 2px rgba(17, 1, 1, 0.05);
    --shadow-md:            0 4px 6px rgba(17, 1, 1, 0.07);
    --shadow-lg:            0 10px 25px rgba(17, 1, 1, 0.1);
    --shadow-xl:            0 20px 40px rgba(17, 1, 1, 0.12);

    /* Transitions */
    --transition-fast:      150ms ease;
    --transition-base:      250ms ease;
    --transition-slow:      400ms ease;

    /* Layout */
    --container-sm:         640px;
    --container-md:         768px;
    --container-lg:         1024px;
    --container-xl:         1200px;
    --sidebar-width:        260px;
    --topbar-height:        64px;
}

/* Dark Mode */
[data-theme="dark"] {
    --color-creme: #1a1a1a;
    --color-primary: #c43e3e;
    --color-primary-dark: #f0e0e0;
    --color-primary-hover: #d45555;
    --color-secondary: #b85555;
    --color-body: #e8e0e0;
    --color-border: #333333;
    --color-placeholder: #777777;
    --color-white: #242424;
    --color-black: #f5f5f5;
    --color-success: #4CAF50;
    --color-success-bg: #1b2e1b;
    --color-warning: #FFA726;
    --color-warning-bg: #2e2618;
    --color-danger: #EF5350;
    --color-danger-bg: #2e1a1a;
    --color-info: #42A5F5;
    --color-info-bg: #1a2433;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.6);
}

[data-theme="dark"] .card,
[data-theme="dark"] .auth-card {
    background-color: #2a2a2a;
    border-color: #383838;
}

[data-theme="dark"] .table thead th {
    background-color: #2a2a2a;
    border-color: #383838;
}

[data-theme="dark"] .table tbody tr:hover {
    background-color: rgba(255,255,255,0.03);
}

[data-theme="dark"] .form-control {
    background-color: #2a2a2a;
    border-color: #444;
    color: #e8e0e0;
}

[data-theme="dark"] .form-control:focus {
    border-color: #c43e3e;
    box-shadow: 0 0 0 3px rgba(196, 62, 62, 0.15);
}

[data-theme="dark"] .btn-outline {
    border-color: #555;
    color: #ccc;
}

[data-theme="dark"] .btn-outline:hover {
    background-color: #333;
    border-color: #777;
}

[data-theme="dark"] .badge {
    background-color: rgba(196, 62, 62, 0.15);
    color: #c43e3e;
}

[data-theme="dark"] .alert {
    border-color: #444;
}

[data-theme="dark"] .admin-topbar {
    background-color: #242424;
    border-color: #333;
}

[data-theme="dark"] .stat-card {
    border-color: #383838;
}

/* Dark mode sidebar fixes */
[data-theme="dark"] .admin-nav-link {
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .admin-nav-link:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .admin-nav-link.active {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .admin-nav-section {
    color: rgba(255, 255, 255, 0.35);
}

[data-theme="dark"] .admin-sidebar-footer a {
    color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .admin-sidebar-footer a:hover {
    color: #fff;
}

[data-theme="dark"] .admin-topbar-title {
    color: #f0e0e0;
}

[data-theme="dark"] .admin-topbar-user .user-name {
    color: #e0e0e0;
}

[data-theme="dark"] .admin-topbar-user .user-role {
    color: #888;
}

[data-theme="dark"] .page-header h1 {
    color: #f0e0e0;
}

/* Dark mode toggle button */
.theme-toggle {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.4rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-body);
    transition: all 150ms ease;
    width: 36px;
    height: 36px;
}

.theme-toggle:hover {
    background-color: var(--color-creme);
    border-color: var(--color-placeholder);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ============================================================
   CSS Reset / Normalize
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-regular);
    line-height: var(--leading-normal);
    color: var(--color-body);
    background-color: var(--color-creme);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
    color: var(--color-primary-dark);
    margin-bottom: var(--space-3);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    margin-bottom: var(--space-4);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

table {
    border-collapse: collapse;
    width: 100%;
}

hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-6) 0;
}

::selection {
    background-color: var(--color-primary);
    color: var(--color-white);
}

::placeholder {
    color: var(--color-placeholder);
}

/* ============================================================
   Typography Utilities
   ============================================================ */
.font-display {
    font-family: var(--font-display);
}

.font-body {
    font-family: var(--font-body);
}

.text-xs    { font-size: var(--text-xs); }
.text-sm    { font-size: var(--text-sm); }
.text-base  { font-size: var(--text-base); }
.text-lg    { font-size: var(--text-lg); }
.text-xl    { font-size: var(--text-xl); }
.text-2xl   { font-size: var(--text-2xl); }
.text-3xl   { font-size: var(--text-3xl); }
.text-4xl   { font-size: var(--text-4xl); }
.text-5xl   { font-size: var(--text-5xl); }

.font-light     { font-weight: var(--font-light); }
.font-regular   { font-weight: var(--font-regular); }
.font-medium    { font-weight: var(--font-medium); }
.font-semibold  { font-weight: var(--font-semibold); }
.font-bold      { font-weight: var(--font-bold); }

.text-left      { text-align: left; }
.text-center    { text-align: center; }
.text-right     { text-align: right; }

.text-uppercase { text-transform: uppercase; letter-spacing: 0.08em; }
.text-capitalize { text-transform: capitalize; }

.text-primary       { color: var(--color-primary); }
.text-primary-dark  { color: var(--color-primary-dark); }
.text-secondary     { color: var(--color-secondary); }
.text-body          { color: var(--color-body); }
.text-muted         { color: var(--color-placeholder); }
.text-white         { color: var(--color-white); }
.text-success       { color: var(--color-success); }
.text-warning       { color: var(--color-warning); }
.text-danger        { color: var(--color-danger); }

.leading-tight   { line-height: var(--leading-tight); }
.leading-normal  { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================================
   Layout Utilities
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-lg { max-width: var(--container-lg); }

/* Flexbox */
.flex            { display: flex; }
.inline-flex     { display: inline-flex; }
.flex-col        { flex-direction: column; }
.flex-row        { flex-direction: row; }
.flex-wrap       { flex-wrap: wrap; }
.flex-nowrap     { flex-wrap: nowrap; }
.flex-1          { flex: 1; }
.flex-grow       { flex-grow: 1; }
.flex-shrink-0   { flex-shrink: 0; }

.items-start     { align-items: flex-start; }
.items-center    { align-items: center; }
.items-end       { align-items: flex-end; }
.items-stretch   { align-items: stretch; }
.items-baseline  { align-items: baseline; }

.justify-start   { justify-content: flex-start; }
.justify-center  { justify-content: center; }
.justify-end     { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around  { justify-content: space-around; }

.self-start      { align-self: flex-start; }
.self-center     { align-self: center; }
.self-end        { align-self: flex-end; }

/* Grid */
.grid            { display: grid; }
.grid-cols-1     { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2     { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3     { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4     { grid-template-columns: repeat(4, 1fr); }
.grid-cols-6     { grid-template-columns: repeat(6, 1fr); }
.grid-cols-12    { grid-template-columns: repeat(12, 1fr); }

.col-span-2      { grid-column: span 2; }
.col-span-3      { grid-column: span 3; }
.col-span-4      { grid-column: span 4; }
.col-span-6      { grid-column: span 6; }
.col-span-8      { grid-column: span 8; }
.col-span-12     { grid-column: span 12; }

.gap-1   { gap: var(--space-1); }
.gap-2   { gap: var(--space-2); }
.gap-3   { gap: var(--space-3); }
.gap-4   { gap: var(--space-4); }
.gap-5   { gap: var(--space-5); }
.gap-6   { gap: var(--space-6); }
.gap-8   { gap: var(--space-8); }

/* Spacing */
.m-0  { margin: 0; }
.m-1  { margin: var(--space-1); }
.m-2  { margin: var(--space-2); }
.m-3  { margin: var(--space-3); }
.m-4  { margin: var(--space-4); }
.m-auto { margin: auto; }

.mt-0  { margin-top: 0; }
.mt-1  { margin-top: var(--space-1); }
.mt-2  { margin-top: var(--space-2); }
.mt-3  { margin-top: var(--space-3); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }

.mb-0  { margin-bottom: 0; }
.mb-1  { margin-bottom: var(--space-1); }
.mb-2  { margin-bottom: var(--space-2); }
.mb-3  { margin-bottom: var(--space-3); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }

.ml-1  { margin-left: var(--space-1); }
.ml-2  { margin-left: var(--space-2); }
.ml-3  { margin-left: var(--space-3); }
.ml-4  { margin-left: var(--space-4); }
.ml-auto { margin-left: auto; }

.mr-1  { margin-right: var(--space-1); }
.mr-2  { margin-right: var(--space-2); }
.mr-3  { margin-right: var(--space-3); }
.mr-4  { margin-right: var(--space-4); }
.mr-auto { margin-right: auto; }

.mx-auto { margin-left: auto; margin-right: auto; }

.p-0  { padding: 0; }
.p-1  { padding: var(--space-1); }
.p-2  { padding: var(--space-2); }
.p-3  { padding: var(--space-3); }
.p-4  { padding: var(--space-4); }
.p-5  { padding: var(--space-5); }
.p-6  { padding: var(--space-6); }
.p-8  { padding: var(--space-8); }

.pt-0  { padding-top: 0; }
.pt-4  { padding-top: var(--space-4); }
.pt-6  { padding-top: var(--space-6); }
.pt-8  { padding-top: var(--space-8); }

.pb-0  { padding-bottom: 0; }
.pb-4  { padding-bottom: var(--space-4); }
.pb-6  { padding-bottom: var(--space-6); }
.pb-8  { padding-bottom: var(--space-8); }

.px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }

.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

/* Display */
.block        { display: block; }
.inline-block { display: inline-block; }
.inline       { display: inline; }
.hidden       { display: none; }

.relative  { position: relative; }
.absolute  { position: absolute; }
.fixed     { position: fixed; }
.sticky    { position: sticky; }

.w-full    { width: 100%; }
.w-auto    { width: auto; }
.h-full    { height: 100%; }
.min-h-screen { min-height: 100vh; }

.overflow-hidden  { overflow: hidden; }
.overflow-auto    { overflow: auto; }
.overflow-x-auto  { overflow-x: auto; }

.rounded-sm   { border-radius: var(--radius-sm); }
.rounded      { border-radius: var(--radius-md); }
.rounded-lg   { border-radius: var(--radius-lg); }
.rounded-xl   { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow    { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.border       { border: 1px solid var(--color-border); }
.border-top   { border-top: 1px solid var(--color-border); }
.border-bottom { border-bottom: 1px solid var(--color-border); }

.bg-white    { background-color: var(--color-white); }
.bg-creme    { background-color: var(--color-creme); }
.bg-primary  { background-color: var(--color-primary); }
.bg-dark     { background-color: var(--color-primary-dark); }

.cursor-pointer { cursor: pointer; }
.select-none    { user-select: none; }
.opacity-50     { opacity: 0.5; }
.opacity-75     { opacity: 0.75; }

/* ============================================================
   Form Actions & Form Row
   ============================================================ */
.form-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 180px;
}

@media (max-width: 640px) {
    .form-row {
        flex-direction: column;
    }
    .form-row .form-group {
        min-width: 100%;
    }
}

.inline-edit-form .form-actions {
    border-top: none;
    padding-top: 0.5rem;
    margin-top: 1rem;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.625rem 1.5rem;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    letter-spacing: 0.02em;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    user-select: none;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Primary Button */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(150, 0, 0, 0.3);
}

.btn-primary:active {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

/* Outline Button */
.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Secondary Button */
.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary);
}

.btn-secondary:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: var(--color-white);
}

/* Dark Button */
.btn-dark {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    border-color: var(--color-primary-dark);
}

.btn-dark:hover {
    background-color: var(--color-body);
    border-color: var(--color-body);
    color: var(--color-white);
}

/* Ghost Button */
.btn-ghost {
    background-color: transparent;
    color: var(--color-body);
    border-color: transparent;
}

.btn-ghost:hover {
    background-color: rgba(17, 1, 1, 0.05);
}

/* Success Button */
.btn-success {
    background-color: var(--color-success);
    color: var(--color-white);
    border-color: var(--color-success);
}

.btn-success:hover {
    opacity: 0.9;
    color: var(--color-white);
}

/* Danger Button */
.btn-danger {
    background-color: var(--color-danger);
    color: var(--color-white);
    border-color: var(--color-danger);
}

.btn-danger:hover {
    opacity: 0.9;
    color: var(--color-white);
}

/* Button Sizes */
.btn-sm {
    padding: 0.375rem 1rem;
    font-size: var(--text-xs);
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: var(--text-base);
}

.btn-xl {
    padding: 1rem 2.5rem;
    font-size: var(--text-lg);
}

/* Full Width */
.btn-block {
    display: flex;
    width: 100%;
}

/* Icon button */
.btn-icon {
    padding: 0.5rem;
    width: 2.5rem;
    height: 2.5rem;
}

/* ============================================================
   Form Elements
   ============================================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-primary-dark);
}

.form-label-required::after {
    content: ' *';
    color: var(--color-primary);
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: var(--text-base);
    font-weight: var(--font-regular);
    color: var(--color-body);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(150, 0, 0, 0.1);
}

.form-control:disabled {
    background-color: var(--color-creme);
    opacity: 0.7;
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(150, 0, 0, 0.15);
}

.form-control-sm {
    padding: 0.375rem 0.625rem;
    font-size: var(--text-sm);
}

.form-control-lg {
    padding: 0.875rem 1rem;
    font-size: var(--text-lg);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23110101' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.form-text {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--text-xs);
    color: var(--color-placeholder);
}

.form-error {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--text-xs);
    color: var(--color-danger);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.form-check-label {
    font-size: var(--text-sm);
    color: var(--color-body);
    cursor: pointer;
}

/* Input Group */
.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    border-radius: 0;
}

.input-group .form-control:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-control:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group .btn {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0.625rem 0.875rem;
    font-size: var(--text-sm);
    color: var(--color-body);
    background-color: var(--color-creme);
    border: 1px solid var(--color-border);
}

/* File input */
.form-file {
    position: relative;
}

.form-file input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.form-file-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color var(--transition-fast);
    color: var(--color-placeholder);
    font-size: var(--text-sm);
}

.form-file-label:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ============================================================
   Cards
   ============================================================ */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(219, 219, 219, 0.5);
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3,
.card-header h4 {
    margin-bottom: 0;
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    background-color: rgba(237, 235, 231, 0.3);
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-sm .card-body {
    padding: var(--space-4);
}

.card-flat {
    box-shadow: none;
    border: 1px solid var(--color-border);
}

.card-flat:hover {
    box-shadow: none;
}

/* ============================================================
   Alerts / Flash Messages
   ============================================================ */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    border-left: 4px solid transparent;
    animation: alertSlideIn 0.3s ease;
}

@keyframes alertSlideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.alert-success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border-left-color: var(--color-success);
}

.alert-error,
.alert-danger {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
    border-left-color: var(--color-danger);
}

.alert-warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    border-left-color: var(--color-warning);
}

.alert-info {
    background-color: var(--color-info-bg);
    color: var(--color-info);
    border-left-color: var(--color-info);
}

.alert-dismissible {
    position: relative;
    padding-right: var(--space-10);
}

.alert-close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    background: none;
    border: none;
    font-size: var(--text-lg);
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
    color: inherit;
    line-height: 1;
}

.alert-close:hover {
    opacity: 1;
}

/* ============================================================
   Badges
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2em 0.65em;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    line-height: 1;
    border-radius: var(--radius-full);
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.badge-primary {
    background-color: rgba(150, 0, 0, 0.1);
    color: var(--color-primary);
}

.badge-secondary {
    background-color: rgba(147, 63, 63, 0.1);
    color: var(--color-secondary);
}

.badge-success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}

.badge-warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
}

.badge-danger {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
}

.badge-info {
    background-color: var(--color-info-bg);
    color: var(--color-info);
}

.badge-dark {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.badge-light {
    background-color: var(--color-creme);
    color: var(--color-body);
}

.badge-lg {
    padding: 0.35em 0.85em;
    font-size: var(--text-sm);
}

/* ============================================================
   Tables
   ============================================================ */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.table th,
.table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    vertical-align: middle;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    font-weight: var(--font-semibold);
    color: var(--color-primary-dark);
    background-color: rgba(237, 235, 231, 0.5);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: rgba(237, 235, 231, 0.3);
}

.table-striped tbody tr:nth-child(even) {
    background-color: rgba(237, 235, 231, 0.2);
}

.table-compact th,
.table-compact td {
    padding: var(--space-2) var(--space-3);
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    color: var(--color-body);
    text-decoration: none;
}

.pagination a:hover {
    background-color: rgba(150, 0, 0, 0.08);
    color: var(--color-primary);
}

.pagination .active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.pagination .disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* ============================================================
   Modal
   ============================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(17, 1, 1, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    margin-bottom: 0;
}

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
}

/* ============================================================
   Tabs
   ============================================================ */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--color-border);
    gap: var(--space-1);
    overflow-x: auto;
}

.tab {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-placeholder);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
}

.tab:hover {
    color: var(--color-primary);
}

.tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    display: none;
    padding: var(--space-6) 0;
}

.tab-content.active {
    display: block;
}

/* ============================================================
   Breadcrumb
   ============================================================ */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-placeholder);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--color-placeholder);
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.breadcrumb-separator {
    font-size: var(--text-xs);
}

.breadcrumb .current {
    color: var(--color-primary-dark);
    font-weight: var(--font-medium);
}

/* ============================================================
   Avatar
   ============================================================ */
.avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    object-fit: cover;
    flex-shrink: 0;
}

.avatar-sm {
    width: 2rem;
    height: 2rem;
}

.avatar-lg {
    width: 3.5rem;
    height: 3.5rem;
}

.avatar-xl {
    width: 5rem;
    height: 5rem;
}

.avatar-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
}

/* ============================================================
   Dropdown
   ============================================================ */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 100;
    min-width: 200px;
    padding: var(--space-2) 0;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
    transition: all var(--transition-fast);
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-body);
    transition: background-color var(--transition-fast);
    text-decoration: none;
    cursor: pointer;
}

.dropdown-item:hover {
    background-color: rgba(237, 235, 231, 0.5);
    color: var(--color-primary);
}

.dropdown-divider {
    height: 1px;
    margin: var(--space-2) 0;
    background-color: var(--color-border);
}

/* ============================================================
   Progress Bar
   ============================================================ */
.progress {
    width: 100%;
    height: 8px;
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar-success {
    background-color: var(--color-success);
}

.progress-sm {
    height: 4px;
}

.progress-lg {
    height: 12px;
}

/* ============================================================
   Tooltip
   ============================================================ */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    padding: var(--space-1) var(--space-2);
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    font-size: var(--text-xs);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none;
    z-index: 50;
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-8px);
}

/* ============================================================
   Empty State
   ============================================================ */
.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-4);
    color: var(--color-placeholder);
}

.empty-state-icon {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-4);
    opacity: 0.4;
}

.empty-state h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--space-2);
}

.empty-state p {
    color: var(--color-placeholder);
    max-width: 400px;
    margin: 0 auto var(--space-6);
}

/* ============================================================
   Loading / Spinner
   ============================================================ */
.spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner-sm {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

/* ============================================================
   Divider
   ============================================================ */
.divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
    color: var(--color-placeholder);
    font-size: var(--text-sm);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
}

/* ============================================================
   Responsive Grid (Mobile First)
   ============================================================ */
@media (min-width: 576px) {
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .sm\:flex-row    { flex-direction: row; }
    .sm\:hidden      { display: none; }
    .sm\:block       { display: block; }
    .sm\:flex        { display: flex; }
}

@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .md\:flex-row    { flex-direction: row; }
    .md\:hidden      { display: none; }
    .md\:block       { display: block; }
    .md\:flex        { display: flex; }
    .md\:text-left   { text-align: left; }
    .md\:col-span-2  { grid-column: span 2; }
    .md\:col-span-3  { grid-column: span 3; }
    .md\:col-span-4  { grid-column: span 4; }
    .md\:col-span-6  { grid-column: span 6; }
    .md\:col-span-8  { grid-column: span 8; }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-2  { grid-template-columns: repeat(2, 1fr); }
    .lg\:grid-cols-3  { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4  { grid-template-columns: repeat(4, 1fr); }
    .lg\:grid-cols-5  { grid-template-columns: repeat(5, 1fr); }
    .lg\:grid-cols-6  { grid-template-columns: repeat(6, 1fr); }
    .lg\:flex-row     { flex-direction: row; }
    .lg\:hidden       { display: none; }
    .lg\:block        { display: block; }
    .lg\:flex         { display: flex; }
    .lg\:col-span-3   { grid-column: span 3; }
    .lg\:col-span-4   { grid-column: span 4; }
    .lg\:col-span-6   { grid-column: span 6; }
    .lg\:col-span-8   { grid-column: span 8; }
    .lg\:col-span-9   { grid-column: span 9; }
}

@media (min-width: 1280px) {
    .xl\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .xl\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
    .xl\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
}

/* Visibility utilities */
@media (max-width: 767px) {
    .hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
    .hide-desktop { display: none !important; }
}

/* ============================================================
   Utility: Scrollbar Styling
   ============================================================ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background-color: var(--color-border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-placeholder);
}

/* ============================================================
   Print Styles
   ============================================================ */
@media print {
    body {
        background: white;
        color: black;
        font-size: 12pt;
    }
    .no-print,
    .sidebar,
    .topbar,
    .btn {
        display: none !important;
    }
    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* ── PDF Cover (placeholder gerado a partir da 1ª página do PDF) ─── */
.pdf-cover {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f5f3f0 0%, #ebe4dc 100%);
    border-radius: inherit;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pdf-cover.pdf-cover-loading::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.5) 50%, transparent 70%);
    background-size: 200% 100%;
    animation: pdfCoverShimmer 1.4s ease-in-out infinite;
}
@keyframes pdfCoverShimmer {
    0%   { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}
.pdf-cover.pdf-cover-error::before {
    content: '📕';
    font-size: 2rem;
    opacity: 0.3;
}
.pdf-cover canvas {
    animation: pdfCoverFadeIn .3s ease-out;
}
@keyframes pdfCoverFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ── Slot vazio de imagem na área do aluno ─────────────────────
   Usado quando um card/header não tem imagem cadastrada — mostra
   um espaço neutro com ícone de imagem central, em vez de ficar
   com gradient sem identidade. */
.empty-image-slot {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    background: linear-gradient(135deg, #f8f4f0 0%, #ebe4dc 100%);
    color: rgba(43, 1, 1, 0.28);
    text-align: center;
    padding: .5rem;
}
.empty-image-slot svg {
    opacity: 0.55;
    transition: opacity .2s ease;
}
.product-card:hover .empty-image-slot svg,
.module-card:hover .empty-image-slot svg,
.course-card:hover .empty-image-slot svg { opacity: 0.85; }

.empty-image-slot small {
    font-size: .68rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    opacity: 0.6;
}