:root {
    --primary-color: #3b82f6; /* Azul mais vibrante/neon */
    --primary-hover: #2563eb;
    --bg-color: #0f172a; /* Azul muito escuro (slate-900) */
    --card-bg: #1e293b; /* Slate-800 */
    --text-color: #f8fafc; /* Slate-50 */
    --text-muted: #94a3b8; /* Slate-400 */
    --border-color: #334155; /* Slate-700 */
    --input-bg: #0f172a;
    --danger-color: #ef4444;
    --success-bg: rgba(22, 163, 74, 0.2);
    --success-text: #4ade80;
    --error-bg: rgba(220, 38, 38, 0.2);
    --error-text: #f87171;
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.1) 0px, transparent 50%);
}

/* Admin specific body override */
body.admin-body {
    display: block;
    padding: 0;
    align-items: flex-start;
}

.container {
    width: 100%;
    max-width: 450px;
}

.card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    font-size: 0.8rem;
    line-height: 1.5;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input[type="number"],
input[type="text"],
input[type="password"],
input[type="file"] {
    width: 100%;
    padding: 1rem 1.25rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    font-size: 1.1rem;
    color: var(--text-color);
    transition: all 0.3s ease;
    outline: none;
}

input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-glow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.4);
}

.btn:active {
    transform: translateY(0);
}

.alert {
    padding: 1rem;
    border-radius: 0.75rem;
    margin-bottom: 2rem;
    text-align: left;
    font-size: 0.95rem;
}

.alert-error {
    background: var(--error-bg);
    color: var(--error-text);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background: var(--success-bg);
    color: var(--success-text);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

/* Estilos específicos do Admin */
.admin-container {
    max-width: 1400px; /* Increased for table view */
    margin: 0 auto;
    padding: 0rem 2rem;
}

/* Navbar Styles */
.navbar {
    background: var(--card-bg);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.navbar-brand span {
    color: var(--text-muted);
    font-weight: 400;
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
}

.navbar-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    width: auto;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    box-shadow: none;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-muted);
}

/* Table Styles */
.table-card {
    background: var(--card-bg);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.table-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.table-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.search-box {
    position: relative;
}

.search-box input {
    padding-left: 2.5rem;
    padding-right: 1rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    font-size: 0.9rem;
    width: 250px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-color);
    margin-bottom: 0;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    white-space: nowrap;
}

.data-table th, .data-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.data-table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.2);
}

.data-table td {
    color: var(--text-color);
    vertical-align: middle;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary-color);
}

.btn-icon.delete:hover {
    color: var(--danger-color);
    background: rgba(239, 68, 68, 0.1);
}

.badge {
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.badge-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
}

/* Remove setas de incremento/decremento em inputs numéricos */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type=number] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal {
    background: var(--card-bg);
    width: 90%;
    max-width: 500px;
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    position: relative;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

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

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

/* Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: background 0.2s;
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Close Menu Button */
.close-menu-btn {
    display: none;
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
    z-index: 2001;
}

.close-menu-btn:hover {
    color: var(--text-color);
}

@media (max-width: 768px) {
    .admin-container {
        padding: 1rem;
    }
    
    .navbar {
        padding: 1rem;
        flex-wrap: wrap;
        gap: 0;
    }
    
    .navbar-brand {
        flex: 1;
    }

    .menu-toggle {
        display: block;
    }
    
    .close-menu-btn {
        display: block;
    }

    .navbar-actions {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        margin: 0;
        background: rgba(15, 23, 42, 0.98); /* Solid dark background with slight transparency */
        backdrop-filter: blur(10px);
        display: none; /* Hidden by default */
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 1.5rem;
        padding: 2rem;
        border: none;
        z-index: 2000;
        animation: fadeIn 0.3s ease-out;
    }

    .navbar-actions.active {
        display: flex;
    }
    
    .navbar-actions .btn {
        width: 80%;
        max-width: 300px;
        justify-content: center;
        text-align: center;
        padding: 1rem;
        font-size: 1.1rem;
    }

    /* Show text labels in mobile menu */
    .desktop-only {
        display: inline;
    }

    .data-table th, .data-table td {
        padding: 0.75rem;
    }
    
    .table-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .table-actions {
        width: 100%;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .search-box {
        width: 100%;
    }
    
    .search-box input {
        width: 100%;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Login Page Styles */
.login-page {
    background-image: url('bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    /* Overlay for better readability */
    position: relative;
    padding: 0; /* Remove default padding from body if needed */
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6); /* Dark overlay */
    z-index: -1;
}

.login-container {
    width: 100%;
    max-width: 400px;
    z-index: 1;
    padding: 1rem;
}

.login-card {
    background: rgba(30, 41, 59, 0.7); /* Glassmorphism */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
    padding: 3rem 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.logo-container {
    margin-bottom: 2rem;
}

.login-logo {
    max-width: 150px;
    height: auto;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.2));
}

.input-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    z-index: 2;
    pointer-events: none;
    transition: color 0.3s;
}

.input-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem; /* Space for icon */
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s;
}

.input-group input:focus {
    background: rgba(15, 23, 42, 0.8);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.input-group:focus-within .input-icon {
    color: var(--primary-color);
}

.btn-login {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1rem;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.4);
}

.btn-login i {
    transition: transform 0.3s;
}

.btn-login:hover i {
    transform: translateX(4px);
}

.btn-copy-code {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
}

.btn-copy-code:hover {
    color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
    opacity: 1;
}

.code-badge {
    background: var(--input-bg);
    padding: 0.4rem 0.8rem;
    border-radius: 0.5rem;
    font-family: 'Courier New', monospace;
    font-weight: 700;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    display: inline-block;
    min-width: 80px;
}