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

:root {
    /* Color Palette */
    --primary-color: #4F46E5;
    /* Indigo 600 */
    --primary-hover: #4338CA;
    /* Indigo 700 */
    --secondary-color: #EC4899;
    /* Pink 500 */
    --background-color: #F3F4F6;
    /* Gray 100 */
    --surface-color: #FFFFFF;
    --text-main: #111827;
    /* Gray 900 */
    --text-secondary: #6B7280;
    /* Gray 500 */
    --border-color: #E5E7EB;
    /* Gray 200 */
    --success-color: #10B981;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;

    /* Spacing & Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --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);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #F3F4F6;
    /* Fallback */
    background-color: var(--background-color);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-hover);
}

/* Container & Cards */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.card,
.login-container,
.dashboard-container {
    background-color: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

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

.btn-secondary {
    background-color: var(--surface-color);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

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

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #DC2626;
    /* Red 600 */
    color: white;
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

/* Forms */
.form-control,
.form-select {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 0.625rem 0.75rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    outline: none;
}

.form-label {
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

/* Calendar */
/* Calendar Grid - Desktop Only */
.calendar-grid {
    display: none;
    /* Hidden by default (mobile) */
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background-color: var(--border-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

@media (min-width: 768px) {
    .calendar-grid {
        display: grid;
    }
}

.calendar-day-header {
    background-color: var(--background-color);
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.calendar-day {
    background-color: var(--surface-color);
    min-height: 100px;
    padding: var(--spacing-sm);
    position: relative;
    transition: background-color 0.2s;
}

.calendar-day:hover {
    background-color: var(--background-color);
}

.day-number {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.current-day {
    background-color: #FEF3C7 !important;
    /* Yellow-100 */
}

.current-day .day-number {
    color: var(--warning-color);
}

.events-container {
    padding-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    justify-content: center;
}

/* Agenda View - Mobile Only */
.agenda-view {
    display: block;
}

@media (min-width: 768px) {
    .agenda-view {
        display: none;
    }
}

.agenda-day.expanded .card-body {
    display: block !important;
}

.agenda-day.expanded .bi-chevron-down {
    transform: rotate(180deg);
}

.agenda-day.current-day .card-header {
    background-color: #FEF3C7 !important;
}

.transition-transform {
    transition: transform 0.2s ease;
}

/* List Group */
.list-group-item {
    border: 1px solid var(--border-color);
    margin-bottom: -1px;
    padding: 1rem;
    background-color: var(--surface-color);
}

.list-group-item:first-child {
    border-top-left-radius: var(--radius-md);
    border-top-right-radius: var(--radius-md);
}

.list-group-item:last-child {
    border-bottom-left-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .calendar-grid {
        grid-template-columns: repeat(auto-fit, minmax(45px, 1fr));
        gap: 4px;
    }

    .calendar-day {
        min-height: 60px;
        padding: 2px;
    }

    .day-number {
        font-size: 0.75rem;
        top: 2px;
        left: 4px;
    }

    .container {
        padding: 1rem;
    }

    .card {
        padding: 1.5rem;
    }
}

/* Extracted Styles */
.nav-btn-circle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.agenda-header {
    cursor: pointer;
}

.scheduled-event-icon {
    opacity: 0.5;
    cursor: help;
}

.scheduled-event-item {
    opacity: 0.7;
    border: 1px dashed #ccc;
}