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

:root {
    /* Modo Claro - Paleta moderna y limpia */
    --bg-color: #fafafa;
    --text-color: #1a1a1a;
    --text-secondary: #6b7280;
    --sidebar-bg: #ffffff;
    --border-color: #e5e7eb;
    --weekend-bg: #f9fafb;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --hover-bg: #f3f4f6;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);

    /* Variables FullCalendar */
    --fc-page-bg-color: var(--bg-color);
    --fc-neutral-bg-color: var(--weekend-bg);
    --fc-list-event-hover-bg-color: var(--hover-bg);
    --fc-today-bg-color: rgba(59, 130, 246, 0.08);
    --fc-border-color: var(--border-color);
}

[data-theme="dark"] {
    /* Modo Oscuro - Paleta mejorada con mejor contraste */
    --bg-color: #0f172a;
    --text-color: #f1f5f9;
    --text-secondary: #94a3b8;
    --sidebar-bg: #1e293b;
    --border-color: #334155;
    --weekend-bg: #1a2332;
    --primary-color: #60a5fa;
    --primary-hover: #3b82f6;
    --hover-bg: #334155;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --fc-today-bg-color: rgba(96, 165, 250, 0.15);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    margin: 0;
    display: flex;
    height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- BARRA LATERAL --- */
#sidebar {
    width: 300px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 24px;
    box-sizing: border-box;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

#sidebar.collapsed {
    margin-left: -300px;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.sidebar-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.controls-area {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.controls-area label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

#member-list {
    flex-grow: 1;
    overflow-y: auto;
    margin-top: 8px;
}

/* Scrollbar personalizado */
#member-list::-webkit-scrollbar {
    width: 6px;
}

#member-list::-webkit-scrollbar-track {
    background: transparent;
}

#member-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

#member-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.member-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.15s ease;
    margin-bottom: 4px;
}

.member-item:hover {
    background-color: var(--hover-bg);
}

.member-item input[type="checkbox"] {
    cursor: pointer;
    width: 16px;
    height: 16px;
    margin-right: 12px;
    accent-color: var(--primary-color);
}

.member-item span:last-child {
    font-weight: 400;
}

/* --- CALENDARIO --- */
#main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

#calendar-container {
    flex-grow: 1;
    padding: 24px;
    overflow: hidden;
}

#calendar {
    height: 100%;
    background: var(--sidebar-bg);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-md);
}

/* Colorear Fines de Semana */
.fc-day-sat,
.fc-day-sun {
    background-color: var(--weekend-bg);
}

/* Mejorar apariencia de eventos */
.fc-event {
    border-radius: 4px;
    padding: 2px 4px;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.fc-event:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* --- BOTONES Y INPUTS --- */
button,
input[type="date"] {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

button:hover {
    background: var(--hover-bg);
    border-color: var(--text-secondary);
}

button:active {
    transform: scale(0.98);
}

input[type="date"] {
    width: 100%;
}

#toggle-sidebar-btn {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 200;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.2s ease;
}

#toggle-sidebar-btn:hover {
    background: var(--hover-bg);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border: none;
}

/* Botón de tema */
.sidebar-header button {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--text-color);
    transition: all 0.2s ease;
}

.sidebar-header button:hover {
    background: var(--hover-bg);
    transform: rotate(15deg);
}

/* Botón de seleccionar todos */
div[style*="display:flex"] button {
    font-size: 0.75rem;
    padding: 6px 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-weight: 500;
}

div[style*="display:flex"] button:hover {
    background: var(--hover-bg);
}

/* --- TOOLTIPS --- */
.event-tooltip {
    position: fixed;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    pointer-events: none;
    transform: translate(-50%, -100%);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    min-width: 200px;
    max-width: 300px;
}

.tooltip-title {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--text-color);
}

.tooltip-user,
.tooltip-time {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tooltip-user i,
.tooltip-time i {
    width: 14px;
    font-size: 0.75rem;
}

/* --- MEJORAS FULLCALENDAR --- */
.fc .fc-toolbar-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.fc .fc-button {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 8px 14px;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.fc .fc-button:hover {
    background: var(--hover-bg);
    border-color: var(--text-secondary);
}

.fc .fc-button-active {
    background: var(--primary-color) !important;
    color: white !important;
    border-color: var(--primary-color) !important;
}

.fc .fc-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.fc-theme-standard td,
.fc-theme-standard th {
    border-color: var(--border-color);
}

.fc-col-header-cell {
    background: var(--bg-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

/* Animaciones suaves */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.member-item {
    animation: fadeIn 0.3s ease;
}

/* Responsive */
@media (max-width: 768px) {
    #sidebar {
        width: 260px;
    }

    #sidebar.collapsed {
        margin-left: -260px;
    }

    #calendar-container {
        padding: 16px;
    }
}