:root {
    --bg-color: #0f172a;
    --panel-bg: rgba(30, 41, 59, 0.7);
    --panel-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-jefe: #f59e0b;
    --accent-festivo: #ef4444;
    --accent-festivo-esp: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-family);
    min-height: 100vh;
    line-height: 1.5;
}

/* Contenedor de vistas */
.view-container {
    display: none;
    width: 100%;
    min-height: 100vh;
}
.view-container.active {
    display: flex;
    flex-direction: column;
}
.main-content {
    display: none;
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    padding: 2rem;
    gap: 2rem;
}
.main-content.active-tab {
    display: flex;
}

/* Header Navbar */
.app-header {
    background: var(--panel-bg);
    border-bottom: 1px solid var(--panel-border);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
}

.app-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
}

.app-header h1 span {
    color: var(--accent);
}

.app-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

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

@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

.panel-card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 1rem;
    padding: 1.5rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
}

/* Calendar */
.month-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(0,0,0,0.2);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    transition: color 0.2s;
}

.icon-btn:hover {
    color: var(--text-main);
}

#current-month-display {
    font-weight: 600;
    min-width: 120px;
    text-align: center;
}

.calendar-legend {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot-normal { background: var(--accent); }
.dot-jefe { background: var(--accent-jefe); }
.dot-ca { background: var(--success); }
.dot-festivo { background: var(--accent-festivo); }
.dot-festivo-especial { background: var(--accent-festivo-esp); }

.calendar-grid {
    width: 100%;
}

.calendar-days-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.calendar-body {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.cal-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.cal-day:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--panel-border);
}

.cal-day.empty {
    visibility: hidden;
}

.cal-day.is-festivo {
    color: var(--accent-festivo);
}
.cal-day.is-festivo-especial {
    color: var(--accent-festivo-esp);
}

.cal-day .shift-indicator {
    position: absolute;
    bottom: 4px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.cal-day.shift-normal {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
}
.cal-day.shift-normal .shift-indicator {
    background: var(--accent);
    box-shadow: 0 0 5px var(--accent);
}

.cal-day.shift-jefe {
    border-color: var(--accent-jefe);
    background: rgba(245, 158, 11, 0.1);
}
.cal-day.shift-jefe .shift-indicator {
    background: var(--accent-jefe);
    box-shadow: 0 0 5px var(--accent-jefe);
}

.cal-day.shift-ca {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}
.cal-day.shift-ca .shift-indicator {
    background: var(--success);
    box-shadow: 0 0 5px var(--success);
}


/* Settings Form */
.settings-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.form-group label {
    font-size: 0.875rem;
    color: var(--text-muted);
}
.form-group input {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--panel-border);
    color: var(--text-main);
    padding: 0.5rem;
    border-radius: 0.375rem;
    font-family: inherit;
}
.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

/* Drop Zone */
.drop-zone {
    border: 2px dashed var(--panel-border);
    border-radius: 1rem;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: rgba(0,0,0,0.1);
}
.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.05);
}
.drop-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    pointer-events: none;
}
.drop-content svg {
    color: var(--accent);
}
.drop-content span {
    color: var(--accent);
    text-decoration: underline;
}
.privacy-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 1rem;
}

/* Table */
.comparison-table-wrapper {
    overflow-x: auto;
}
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
.comparison-table th, .comparison-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--panel-border);
}
.comparison-table th {
    color: var(--text-muted);
    font-weight: 500;
}
.comparison-table .empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem 0;
}
.text-success { color: var(--success); }
.text-danger { color: var(--danger); font-weight: bold; }

.summary-box {
    margin-top: 1.5rem;
    background: rgba(0,0,0,0.2);
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.summary-item {
    display: flex;
    justify-content: space-between;
    font-size: 1rem;
}
.summary-item.highlight {
    border-top: 1px solid var(--panel-border);
    padding-top: 0.5rem;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Nuevas Cajas (Normal y Atrasos) */
.success-box, .warning-box {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 0.5rem;
}
.success-box {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
}
.warning-box {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--accent-jefe);
    color: var(--text-muted);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0,0,0,0.2);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--panel-border);
}
.history-item .text-muted {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.delete-pdf-btn {
    font-size: 1.2rem;
}
.delete-pdf-btn:hover {
    color: var(--danger);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    z-index: 50;
}
.modal.active {
    display: flex;
    animation: fadeIn 0.2s ease-out forwards;
}
.modal-content {
    background: var(--bg-color);
    border: 1px solid var(--panel-border);
    border-radius: 1rem;
    padding: 2rem;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}
.modal-content h3 {
    margin-bottom: 1.5rem;
    color: var(--accent);
}
.modal-options h4 {
    margin: 1rem 0 0.5rem 0;
    font-size: 0.875rem;
    color: var(--text-muted);
}
.option-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.option-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}
.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: opacity 0.2s;
}
.btn:hover { opacity: 0.9; }
.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--panel-border);
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Nuevas clases para Layout de Vistas y Login */
.app-nav {
    display: flex;
    gap: 1rem;
}
.btn-nav {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid transparent;
}
.btn-nav:hover {
    color: var(--text-main);
    background: rgba(255,255,255,0.05);
}
.btn-nav.active {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
}

.login-card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 1rem;
    padding: 3rem;
    max-width: 500px;
    width: 90%;
    margin: auto;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
}
.login-card h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}
.user-list {
    margin: 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.user-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1.1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.user-item:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--accent);
    transform: translateY(-2px);
}
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-muted);
    margin: 2rem 0;
}
.divider::before, .divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--panel-border);
}
.divider span {
    padding: 0 1rem;
    font-size: 0.9rem;
}
.new-user-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.new-user-form input, .form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--panel-border);
    border-radius: 0.5rem;
    color: var(--text-main);
    font-size: 1rem;
    box-sizing: border-box;
}
.new-user-form input:focus, .form-input:focus {
    outline: none;
    border-color: var(--accent);
}

.dashboard-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.dashboard-chart-card {
    height: 400px;
    display: flex;
    flex-direction: column;
}
.chart-wrapper {
    flex: 1;
    position: relative;
    width: 100%;
    height: 100%;
    padding: 1rem;
}
.panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Ocultar el ojo nativo de contraseñas de Edge/Chrome */
input[type="password"]::-ms-reveal,
input[type="password"]::-ms-clear,
input[type="password"]::-webkit-reveal,
input[type="password"]::-webkit-clear-button {
  display: none !important;
}