@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #4f46e5;
    --primary-light: #818cf8;
    --primary-dark: #3730a3;
    --primary-bg: #eef2ff;
    --success: #059669;
    --success-bg: #ecfdf5;
    --success-border: #a7f3d0;
    --error: #dc2626;
    --error-bg: #fef2f2;
    --error-border: #fecaca;
    --warning: #d97706;
    --warning-bg: #fffbeb;
    --warning-border: #fde68a;
    --info: #2563eb;
    --info-bg: #eff6ff;
    --info-border: #bfdbfe;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg: #f8fafc;
    --bg-white: #ffffff;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ====== NAVBAR ====== */
.navbar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.9);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
}

.navbar-brand .icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 1.1rem;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.navbar-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    display: flex; align-items: center; gap: 6px;
}

.navbar-nav a:hover, .navbar-nav a.active {
    color: var(--primary);
    background: var(--primary-bg);
}

.navbar-user {
    display: flex; align-items: center; gap: 12px;
}

.navbar-user .user-badge {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px;
    background: var(--border-light);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.navbar-user .avatar {
    width: 28px; height: 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 0.75rem; font-weight: 600;
}

/* ====== MAIN LAYOUT ====== */
.main-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ====== CARDS ====== */
.card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex; align-items: center; gap: 8px;
}

.card-header .badge {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 500;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

/* ====== STATUS CARDS ====== */
.status-card {
    padding: 1.25rem;
    border-radius: var(--radius);
    border: 1px solid;
    display: flex; align-items: flex-start; gap: 14px;
}

.status-card .status-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.status-card .status-info h3 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.status-card .status-info .value {
    font-size: 1.4rem;
    font-weight: 700;
}

.status-card.success { background: var(--success-bg); border-color: var(--success-border); }
.status-card.success .status-icon { background: var(--success); color: white; }
.status-card.success .status-info h3 { color: var(--success); }
.status-card.success .value { color: #065f46; }

.status-card.error { background: var(--error-bg); border-color: var(--error-border); }
.status-card.error .status-icon { background: var(--error); color: white; }
.status-card.error .status-info h3 { color: var(--error); }
.status-card.error .value { color: #991b1b; }

.status-card.info { background: var(--info-bg); border-color: var(--info-border); }
.status-card.info .status-icon { background: var(--info); color: white; }
.status-card.info .status-info h3 { color: var(--info); }
.status-card.info .value { color: #1e40af; }

.status-card.warning { background: var(--warning-bg); border-color: var(--warning-border); }
.status-card.warning .status-icon { background: var(--warning); color: white; }
.status-card.warning .status-info h3 { color: var(--warning); }
.status-card.warning .value { color: #92400e; }

/* ====== BUTTONS ====== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 2px 8px rgba(79,70,229,0.3);
}

.btn-primary:hover {
    box-shadow: 0 4px 14px rgba(79,70,229,0.4);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #047857);
    color: white;
    box-shadow: 0 2px 8px rgba(5,150,105,0.3);
}

.btn-success:hover {
    box-shadow: 0 4px 14px rgba(5,150,105,0.4);
    transform: translateY(-1px);
}

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

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

.btn-danger {
    background: linear-gradient(135deg, var(--error), #b91c1c);
    color: white;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
    border-radius: var(--radius);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

/* ====== FORMS ====== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group .hint {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 4px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text);
    background: var(--bg-white);
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

.form-control::placeholder {
    color: var(--text-light);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 20px; height: 20px;
    accent-color: var(--primary);
    cursor: pointer;
}

.form-check label {
    margin: 0;
    cursor: pointer;
}

.form-section {
    margin-bottom: 2rem;
}

.form-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-light);
    display: flex; align-items: center; gap: 8px;
}

/* ====== FLASH MESSAGES ====== */
.flash-container {
    position: fixed;
    top: 80px;
    right: 2rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 420px;
}

.flash {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease-out;
    border: 1px solid;
}

.flash .flash-icon { flex-shrink: 0; font-size: 1.1rem; }
.flash .flash-close {
    margin-left: auto;
    background: none; border: none;
    cursor: pointer; font-size: 1.1rem;
    opacity: 0.6; transition: var(--transition);
}
.flash .flash-close:hover { opacity: 1; }

.flash.success { background: var(--success-bg); border-color: var(--success-border); color: #065f46; }
.flash.error { background: var(--error-bg); border-color: var(--error-border); color: #991b1b; }
.flash.info { background: var(--info-bg); border-color: var(--info-border); color: #1e40af; }
.flash.warning { background: var(--warning-bg); border-color: var(--warning-border); color: #92400e; }

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

/* ====== TABLE ====== */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead th {
    background: var(--border-light);
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border);
}

tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text);
}

tbody tr:hover {
    background: var(--border-light);
}

tbody tr:last-child td {
    border-bottom: none;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.tag.success { background: var(--success-bg); color: var(--success); }
.tag.error { background: var(--error-bg); color: var(--error); }
.tag.info { background: var(--info-bg); color: var(--info); }
.tag.warning { background: var(--warning-bg); color: var(--warning); }

/* ====== AUTH PAGES ====== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #eef2ff 0%, #f8fafc 50%, #ecfdf5 100%);
    padding: 2rem;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
}

.auth-card .logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-card .logo .icon {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius);
    display: inline-flex; align-items: center; justify-content: center;
    color: white; font-size: 1.5rem;
    margin-bottom: 12px;
}

.auth-card .logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

.auth-card .logo p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ====== PAGINATION ====== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 1.5rem;
    list-style: none;
}

.pagination a, .pagination span {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.pagination a:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

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

.pagination .disabled span {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ====== TIMBRA BUTTON ====== */
.timbra-section {
    text-align: center;
    padding: 2rem;
}

.timbra-btn {
    width: 140px; height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(79,70,229,0.35);
    transition: var(--transition);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    position: relative;
}

.timbra-btn::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(79,70,229,0.2);
    animation: pulse-ring 2s infinite;
}

.timbra-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(79,70,229,0.5);
}

.timbra-btn:active {
    transform: scale(0.95);
}

.timbra-btn .label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.15); opacity: 0; }
}

/* ====== EMPTY STATE ====== */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.9rem;
    max-width: 360px;
    margin: 0 auto;
}

/* ====== LOADING SPINNER ====== */
.spinner {
    width: 20px; height: 20px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: none;
}

.btn.loading .spinner { display: inline-block; }
.btn.loading .btn-text { display: none; }

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

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
    .navbar { padding: 0 1rem; }
    .main-content { padding: 1rem; }
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .auth-card { padding: 1.5rem; }
    .timbra-btn { width: 120px; height: 120px; font-size: 1.3rem; }
}

@media (max-width: 480px) {
    .navbar-nav { display: none; }
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
}

@media (max-width: 480px) {
    .nav-toggle { display: block; }
}

/* ====== CONFIG STATUS DOT ====== */
.status-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.active { background: var(--success); box-shadow: 0 0 6px rgba(5,150,105,0.5); }
.status-dot.inactive { background: var(--text-light); }

/* ====== SCHEDULE DISPLAY ====== */
.schedule-display {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--border-light);
    border-radius: var(--radius-sm);
    margin-top: 0.75rem;
}

.schedule-display .time {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
}

.schedule-display .separator {
    color: var(--text-light);
    font-size: 1.5rem;
}

.schedule-display .time-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}