/* Animações */
@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
    100% { transform: translateY(0px) rotate(360deg); }
}

@keyframes drift {
    0% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(20px, 10px) rotate(120deg); }
    66% { transform: translate(-20px, -10px) rotate(240deg); }
    100% { transform: translate(0, 0) rotate(360deg); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(0.9); }
}

/* Elementos decorativos */
.floating-circle, .floating-star, .floating-square, .floating-triangle {
    position: fixed;
    pointer-events: none;
    z-index: -1;
    opacity: 0.1;
}

/* Círculo existente */
.floating-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(45deg, #E0E7FF, #94A3B8, #475569);
    animation: float 6s ease-in-out infinite;
}

/* Estrela */
.floating-star {
    width: 0;
    height: 0;
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
    background: linear-gradient(45deg, #CBD5E1, #64748B);
    animation: drift 8s ease-in-out infinite;
}

/* Quadrado */
.floating-square {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ff0000, #4f8cff);
    animation: float 7s ease-in-out infinite;
}

/* Triângulo */
.floating-triangle {
    width: 0;
    height: 0;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    background: linear-gradient(45deg, #ffd93d, #4f8cff);
    animation: bounce 5s ease-in-out infinite;
}

/* CSS Custom Properties - Theme Variables */
:root {
    /* Colors */
    --color-primary: #334155;
    --color-primary-light: #475569;
    --color-primary-dark: #1E293B;
    
    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    
    /* UI Colors */
    --color-background: var(--color-gray-50);
    --color-surface: var(--color-white);
    --color-text: var(--color-primary);
    --color-text-light: var(--color-gray-500);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    
    /* Typography */
    --font-family-base: 'Inter', system-ui, -apple-system, sans-serif;
    --font-size-xs: 0.8125rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    
    /* Borders */
    --border-radius-sm: 6px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-xl: 0 4px 24px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    
    /* Layout */
    --container-max-width: 1400px;
    --header-height: 60px;
}

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

/* Base Styles */
html {
    height: 100%;
    font-size: 16px;
}

body {
    min-height: 100%;
    width: 100%;
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-200) 50%, var(--color-gray-300) 100%);
    font-family: var(--font-family-base);
    color: var(--color-text);
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Layout Components */
.site-header {
    background: rgba(var(--color-surface), 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: var(--space-md);
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
}

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

.logo h1 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.5);
    padding: var(--space-xs);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Button Base - Reusable Component */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

/* Button Variants */
.nav-btn {
    font-size: var(--font-size-sm);
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-gray-200);
    background: var(--color-surface);
    color: var(--color-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.nav-btn:hover {
    background: var(--color-gray-50);
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.nav-btn:active {
    transform: translateY(1px);
    box-shadow: var(--shadow-sm);
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    transition: 0.5s;
}

.nav-btn:hover::before {
    left: 100%;
}

.layout-dropdown {
    position: relative;
    display: inline-block;
}

.nav-btn[id="btn-layout-toggle"]::after {
    content: '▼';
    font-size: 0.7em;
    margin-left: 0.5rem;
    transition: transform var(--transition-fast);
}

.nav-btn[id="btn-layout-toggle"][aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.layout-options {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 220px;
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm);
    margin-top: var(--space-xs);
    border: 1px solid var(--color-gray-200);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transform-origin: top right;
    animation: dropdownFadeIn 0.2s ease-out;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-0.5rem);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Menu Dropdown Styles */
.menu-dropdown {
    position: relative;
    display: inline-block;
}

.menu-options {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 240px;
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.75rem;
    border: 1px solid var(--color-gray-200);
    z-index: 1000;
}

.menu-option {
    width: 100%;
    padding: 0.75rem 1rem;
    text-align: left;
    background: none;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    color: var(--color-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.menu-option:hover {
    background: var(--color-gray-100);
}

.menu-option .icon {
    font-size: 1.1rem;
    opacity: 0.8;
}

.menu-separator {
    height: 1px;
    background: var(--color-gray-200);
    margin: 0.5rem 0;
}

.submenu-layout {
    padding: 0.5rem 0 0;
}

.submenu-title {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    color: var(--color-gray-500);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Update nav button styles for menu toggle */
.nav-btn#btn-menu-toggle {
    background: var(--color-primary);
    color: white;
    padding: 0.625rem 1.25rem;
    font-weight: 600;
}

/* Layout principal com animação */
.main-content {
    flex: 1;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
}

/* Cabeçalho e navegação */
.rotina-header {
    width: 100%;
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.rotina-header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: 1.5px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.rotina-navbar {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    align-items: center;
}

/* Botões e controles */
.rotina-btn {
    width: 100%;
    max-width: 500px;
    font-size: 1rem;
    padding: 1rem 1.5rem;
    margin: 0.5rem 0;
    text-align: center;
    border-radius: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    border: 2px solid transparent;
    background: linear-gradient(90deg, #64748B 0%, #475569 50%, #334155 100%);
    color: #fff;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    transition: all 0.2s ease;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
}

.rotina-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.rotina-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 8px -2px rgba(0,0,0,0.15), 0 4px 6px -2px rgba(0,0,0,0.1);
    border-color: rgba(255,255,255,0.1);
}

.rotina-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 4px -1px rgba(0,0,0,0.1);
}

.rotina-btn:hover:before {
    left: 100%;
}

.rotina-btn:active {
    transform: translateY(1px);
}

/* Container de dias */
.dias-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
    width: 100%;
    padding: 0.5rem;
    flex-shrink: 0;
}

.dia-btn {
    font-size: 0.875rem;
    padding: 0.75rem;
    text-align: center;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid rgba(203, 213, 225, 0.3);
    background: white;
    color: #475569;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    flex: 1;
    min-width: 120px;
    max-width: 200px;
}

.dia-btn:hover {
    background: #F8FAFC;
    border-color: #94A3B8;
    transform: translateY(-1px);
}

.dia-btn:active {
    transform: translateY(1px);
}

.dia-btn.selected {
    background: #334155;
    color: white;
    border-color: #334155;
}

/* Container de horários */
.horarios-container {
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

/* Tabelas */
.horarios-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 0;
}

.horarios-table th,
.horarios-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(203, 213, 225, 0.3);
    text-align: center;
}

.horarios-table th {
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 1rem;
    background: linear-gradient(90deg, #64748B 0%, #475569 50%, #334155 100%);
    color: #fff;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.horarios-table tr:nth-child(even) td {
    background: #f9fbff;
}

.horarios-table tr:hover td {
    background: #eaf6ff;
    transform: scale(1.01);
}

.table-container {
    flex: 1;
    overflow: auto;
    min-height: 0;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.95);
    margin: 0.5rem;
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}

/* Cards */
.cards-container {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    padding: 0.5rem;
    flex: 1;
    align-content: start;
    overflow-y: auto;
    min-height: 0;
}

.horario-card {
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    padding: 1.25rem;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeIn 0.5s ease-out;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.horario-card:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.horario-card .horario {
    font-size: 1.25rem;
    font-weight: 700;
    color: #334155;
    margin-bottom: 8px;
    text-align: center;
    text-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.horario-card .disciplina {
    font-size: 1.08rem;
    color: #64748B;
    font-weight: 500;
    text-align: center;
}

/* Mensagem vazia */
.empty-msg {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    color: #64748B;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    margin: 0.5rem;
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
    width: 100%;
    height: 80px;
}

/* Layout toggle */
.layout-toggle-container {
    width: 100%;
    position: relative;
    margin-bottom: 18px;
}

#layoutOptions {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
    z-index: 100;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 0.5rem;
    display: none;
}

/* Modo edição */
.editavel {
    background: #ffe066 !important;
    outline: 2px solid #ff0000 !important;
    position: relative;
    animation: fadeIn 0.3s ease-out;
}

.editavel:focus {
    transform: scale(1.02);
    box-shadow: 0 0 0 2px #ff0000;
}

/* Container de adicionar */
.adicionar-container {
    width: 100%;
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

#btn-adicionar-disciplina {
    width: 100%;
    margin: 0.5rem;
    flex-shrink: 0;
}

/* Button states */
.dia-btn:hover {
    background: #F8FAFC;
    border-color: #94A3B8;
    transform: translateY(-1px);
}

.dia-btn.selected {
    background: #334155;
    color: white;
    border-color: #334155;
}

/* Layout options */
.layout-option {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    background: none;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    position: relative;
}

.layout-option:hover {
    background: var(--color-gray-50);
    color: var(--color-primary-dark);
}

.layout-option:active {
    background: var(--color-gray-100);
}

.layout-option::before {
    content: '';
    position: absolute;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--color-primary);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    transition: height var(--transition-fast);
}

.layout-option:hover::before {
    height: 70%;
}

/* Utility Classes */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.w-full { width: 100%; }
.h-full { height: 100%; }

/* Grid Utilities */
.grid {
    display: grid;
    width: 100%;
}

.grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(var(--min-column, 250px), 1fr));
}

/* Spacing Utilities */
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.m-sm { margin: var(--space-sm); }
.m-md { margin: var(--space-md); }

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

/* Container Components */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Card Component */
.card {
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

/* Table Component */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    background: var(--color-primary-light);
    color: var(--color-surface);
    font-weight: 600;
    text-align: left;
    padding: var(--space-md);
    position: sticky;
    top: 0;
    z-index: 10;
}

.table td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-gray-200);
}

.table tr:hover td {
    background: var(--color-gray-100);
}

/* Form Elements */
.input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast);
}

.input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* Focus States */
.focus-visible:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* 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: 0;
}

/* Avisos List & Form Responsive Styles */
#lista-avisos {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.aviso-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-surface);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 1rem;
    font-size: var(--font-size-md);
    transition: background var(--transition-fast);
    gap: 0.5rem;
}

.aviso-item .aviso-text {
    flex: 1;
    margin: 0 0.5rem;
    word-break: break-word;
}

.aviso-item .remover-aviso {
    font-size: 1.2rem;
    padding: 0.3rem 0.7rem;
    border-radius: 50%;
    background: var(--color-primary-light);
    color: #fff;
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.aviso-item .remover-aviso:hover {
    background: var(--color-primary-dark);
}

.aviso-item .check-aviso {
    accent-color: var(--color-primary);
    width: 1.2em;
    height: 1.2em;
}

.aviso-lido .aviso-text {
    text-decoration: line-through;
    color: var(--color-text-light);
    opacity: 0.7;
}

#form-aviso {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 500px;
    margin: 1rem auto;
}

#input-aviso {
    flex: 1;
    min-width: 0;
    font-size: var(--font-size-md);
    padding: 0.7rem 1rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-gray-300);
}

#form-aviso .rotina-btn {
    padding: 0.7rem 1.2rem;
    font-size: var(--font-size-md);
    min-width: 44px;
}

@media (max-width: 600px) {
    #lista-avisos {
        max-width: 100%;
        gap: 0.3rem;
    }
    .aviso-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.7rem 0.6rem;
        font-size: var(--font-size-sm);
        gap: 0.3rem;
    }
    #form-aviso {
        flex-direction: column;
        gap: 0.4rem;
        max-width: 100%;
    }
    #input-aviso {
        font-size: var(--font-size-sm);
        padding: 0.6rem 0.8rem;
    }
    #form-aviso .rotina-btn {
        width: 100%;
        font-size: var(--font-size-sm);
        padding: 0.6rem 0.8rem;
    }
}