.card-actions .btn {
    min-width: 128px;
    justify-content: center;
}

.card-actions .btn i {
    font-size: 16px;
}

.card-actions .btn.btn-danger {
    border: none;
}
/**
 * Caderneta Escolar Digital - Stylesheet
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 */

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --primary-color: #1DB954;
    --primary-dark: #1AA34A;
    --primary-light: #1ED760;
    --background-dark: #191414;
    --background-light: #FFFFFF;
    --surface-dark: #282828;
    --surface-light: #F5F5F5;
    --text-dark: #FFFFFF;
    --text-light: #191414;
    --text-muted-dark: #B3B3B3;
    --text-muted-light: #535353;
    --border-dark: #404040;
    --border-light: #E0E0E0;
    --shadow: rgba(0, 0, 0, 0.2);
    
    /* Status Colors */
    --status-ok: #1DB954;
    --status-regular: #FFA500;
    --status-attention: #FF6B6B;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-xxl: 32px;
    
    /* Layout */
    --header-height: 60px;
    --bottom-nav-height: 70px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark Theme (Default) */
body {
    --bg-primary: var(--background-dark);
    --bg-secondary: var(--surface-dark);
    --text-primary: var(--text-dark);
    --text-secondary: var(--text-muted-dark);
    --border-color: var(--border-dark);
}

/* Light Theme */
body.light-theme {
    --bg-primary: var(--background-light);
    --bg-secondary: var(--surface-light);
    --text-primary: var(--text-light);
    --text-secondary: var(--text-muted-light);
    --border-color: var(--border-light);
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    padding-top: var(--header-height);
    padding-bottom: var(--bottom-nav-height);
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ===== ACCESSIBILITY ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

*:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== HEADER ===== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: linear-gradient(135deg, rgba(12, 12, 12, 0.95), rgba(32, 32, 32, 0.88));
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1000;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(6px);
}

body.light-theme .app-header {
    background: linear-gradient(135deg, rgba(33, 48, 70, 0.98), rgba(18, 32, 49, 0.9));
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-md);
}

.app-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.app-logo {
    height: 36px;
    width: auto;
    display: block;
}

.app-title span {
    display: inline-block;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.icon-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background-color: rgba(29, 185, 84, 0.2);
    color: #FFFFFF;
    transform: translateY(-1px);
}

body.light-theme .icon-btn {
    background: rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.95);
}

body.light-theme .icon-btn:hover {
    background-color: rgba(29, 185, 84, 0.25);
}

/* ===== MAIN CONTENT ===== */
.app-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    min-height: calc(100vh - var(--header-height) - var(--bottom-nav-height));
}

.view-section {
    display: none;
    animation: fadeIn var(--transition-normal);
}

.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.view-header h2 {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--text-primary);
}

/* ===== BUTTONS ===== */
.btn {
    min-height: 48px;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(29, 185, 84, 0.3);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-danger {
    background-color: var(--status-attention);
    color: #FFFFFF;
}

.btn-danger:hover {
    background-color: #E55555;
}

.btn-small {
    min-height: 36px;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-small i {
    font-size: 14px;
    margin-right: 6px;
}

.card-actions .btn {
    min-width: 120px;
    justify-content: center;
}

.card-actions .btn i {
    font-size: 15px;
}

/* ===== DASHBOARD ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px var(--shadow);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: white;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.hero-section {
    background: linear-gradient(135deg, rgba(29, 185, 84, 0.15), transparent);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.hero-content h3 {
    font-size: var(--font-size-xxl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.hero-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    margin-bottom: var(--spacing-lg);
}

.hero-brand img {
    height: 32px;
    width: auto;
    display: block;
}

.hero-brand span {
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hero-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-illustration {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-illustration .hero-logo {
    max-width: 220px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 12px 24px rgba(29, 185, 84, 0.25));
}

.info-banner {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    margin-bottom: var(--spacing-lg);
}

.info-banner i {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    margin-top: 4px;
}

.info-banner strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.info-banner p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    word-break: break-word;
}

.recent-section {
    margin-top: var(--spacing-xl);
}

.recent-section h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

/* ===== GRIDS & LISTS ===== */
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.items-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    transition: all var(--transition-fast);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.card-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: flex-end;
}

.card-body {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.card-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ===== FILTERS ===== */
.filter-bar {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.search-input,
.filter-select {
    min-height: 48px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-size-md);
    transition: all var(--transition-fast);
}

.search-input {
    flex: 1;
    min-width: 200px;
}

.filter-select {
    min-width: 180px;
}

.search-input:focus,
.filter-select:focus {
    border-color: var(--primary-color);
    outline: none;
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-state i {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.empty-state p {
    margin: var(--spacing-sm) 0;
}

.empty-hint {
    font-size: var(--font-size-sm);
    font-style: italic;
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.badge-ok {
    background-color: rgba(29, 185, 84, 0.2);
    color: var(--status-ok);
}

.badge-regular {
    background-color: rgba(255, 165, 0, 0.2);
    color: var(--status-regular);
}

.badge-attention {
    background-color: rgba(255, 107, 107, 0.2);
    color: var(--status-attention);
}

/* ===== BOTTOM NAVIGATION ===== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 -2px 8px var(--shadow);
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    min-height: 60px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-xs);
    transition: all var(--transition-fast);
    border-radius: var(--border-radius-sm);
}

.nav-item i {
    font-size: var(--font-size-lg);
}

.nav-item:hover {
    color: var(--primary-color);
    background-color: rgba(29, 185, 84, 0.1);
}

.nav-item.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-md);
    animation: fadeIn var(--transition-fast);
}

.modal {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    animation: slideUp var(--transition-normal);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    max-width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    min-height: 48px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-size-md);
    font-family: var(--font-family);
    transition: all var(--transition-fast);
}

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

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(29, 185, 84, 0.1);
}

.form-error {
    color: var(--status-attention);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
    border-color: var(--status-attention);
}

/* ===== TOAST ===== */
#toast-container {
    position: fixed;
    top: calc(var(--header-height) + var(--spacing-md));
    right: var(--spacing-md);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    min-width: 300px;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px var(--shadow);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideInRight var(--transition-normal);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast-success {
    border-left: 4px solid var(--status-ok);
}

.toast-error {
    border-left: 4px solid var(--status-attention);
}

.toast-warning {
    border-left: 4px solid var(--status-regular);
}

.toast-icon {
    font-size: var(--font-size-lg);
}

.toast-success .toast-icon {
    color: var(--status-ok);
}

.toast-error .toast-icon {
    color: var(--status-attention);
}

.toast-warning .toast-icon {
    color: var(--status-regular);
}

.toast-message {
    flex: 1;
    color: var(--text-primary);
}

/* ===== ICONS ===== */
.icon-inline {
    display: inline-flex;
    align-items: center;
    margin-right: var(--spacing-xs);
}

.icon-heading {
    display: inline-flex;
    align-items: center;
    margin-right: var(--spacing-sm);
    color: var(--primary-color);
}

/* ===== FOOTER ===== */
.app-footer {
    background: linear-gradient(135deg, rgba(15, 15, 15, 0.98), rgba(38, 38, 38, 0.92));
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--font-size-sm);
    backdrop-filter: blur(4px);
}

.app-footer p {
    margin: var(--spacing-xs) 0;
}

.app-footer a {
    color: rgba(255, 255, 255, 0.92);
    font-weight: 600;
    text-decoration: none;
    padding: 2px 4px;
    border-radius: var(--border-radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.app-footer a:hover,
.app-footer a:focus-visible {
    background-color: rgba(255, 255, 255, 0.12);
    color: #FFFFFF;
    transform: translateY(-1px);
    outline: none;
}

.app-footer a:active {
    transform: translateY(0);
}

body.light-theme .app-footer {
    background: linear-gradient(135deg, rgba(29, 41, 57, 0.98), rgba(16, 28, 44, 0.92));
    color: rgba(255, 255, 255, 0.90);
}

body.light-theme .app-footer a {
    color: rgba(255, 255, 255, 0.95);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.back-link:hover {
    transform: translateX(-4px);
}
*** End Patch

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    body {
        padding-bottom: calc(var(--bottom-nav-height) + 24px);
    }
    
    .app-main {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .hero-section {
        padding: var(--spacing-lg);
        gap: var(--spacing-lg);
    }
    
    .dashboard-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
    
    .modal {
        max-width: 90vw;
    }
}

@media (max-width: 768px) {
    .app-title {
        font-size: var(--font-size-lg);
    }
    
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
        padding: var(--spacing-lg);
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-illustration i {
        font-size: 72px;
    }
    
    .info-banner {
        flex-direction: column;
        text-align: left;
    }
    
    .view-header h2 {
        font-size: var(--font-size-xl);
    }
    
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .items-grid,
    .classes-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-bar {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }
    
    .search-input,
    .filter-select {
        width: 100%;
    }
    
    .modal {
        max-width: 100%;
        margin: var(--spacing-sm);
    }
    
    #toast-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .toast {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .app-main {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content h3 {
        font-size: var(--font-size-xl);
        line-height: 1.3;
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .nav-item span {
        font-size: 10px;
    }
    
    .info-banner i {
        font-size: var(--font-size-lg);
    }
    
    .modal {
        max-height: 90vh;
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .app-header,
    .bottom-nav,
    .header-actions,
    .view-header button,
    .filter-bar,
    .card-actions,
    .app-footer {
        display: none !important;
    }
    
    body {
        padding: 0;
        background: white;
        color: black;
    }
    
    .view-section.active {
        display: block !important;
    }
}