#warningMessage {
    display: none;
}

@media only screen and (orientation: portrait) {
    #app {
        display: none;
    }

    #warningMessage {
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
    }
}

/* Card Container */
.fmsm-card {
    background: var(--bg-surface, rgba(15, 23, 42, 0.75));
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border, rgba(255, 255, 255, 0.08));
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* CCG-Style Tabs */
.nav-tabs {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    border-bottom: 2px solid var(--border, rgba(255, 255, 255, 0.08));
    margin-bottom: 1.5rem;
    padding-left: 0;
    gap: 0.5rem;
}

.nav-tabs .nav-item {
    list-style: none;
    margin: 0;
}

.nav-tabs .nav-link {
    display: block;
    padding: 0.6rem 1.2rem;
    color: var(--text-muted, #94a3b8);
    text-decoration: none;
    font-weight: 600;
    border-radius: 8px 8px 0 0;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.nav-tabs .nav-link:hover,
.nav-tabs .nav-link.active,
.nav-tabs li.active a,
.nav-tabs li a.active {
    color: #ffffff !important;
    background: rgba(99, 102, 241, 0.2) !important;
    border-color: var(--border, rgba(255, 255, 255, 0.08)) !important;
    border-bottom-color: transparent !important;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* Forms & Select Dropdowns */
.form-control, #monthSelect, #routeSelect {
    background: rgba(15, 23, 42, 0.7) !important;
    color: var(--text-main, #f8fafc) !important;
    border: 1px solid var(--border, rgba(255, 255, 255, 0.12)) !important;
    border-radius: 8px !important;
    padding: 0.55rem 1rem !important;
}

.form-control:focus, #monthSelect:focus, #routeSelect:focus {
    border-color: var(--accent, #6366f1) !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25) !important;
}

.month-container {
    align-items: center;
    box-sizing: border-box;
    display: flex;
    text-align: center;
    justify-content: center;
    padding: 1rem 0;
}

.month-calendar {
    display: grid;
    justify-content: center;
    text-align: center;
    grid-template-columns: repeat(7, 1fr);
    max-width: 1400px;
    width: 100%;
    gap: 0.75rem;
}

.day-header {
    text-align: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--text-muted, #94a3b8);
    padding: 0.5rem 0;
}

.month-calendar-routes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    max-width: 1800px;
    width: 100%;
    margin-top: 1.5rem;
}

/* Day Calendar Tile */
.day-calendar {
    background: rgba(30, 41, 59, 0.6) !important;
    border: 1px solid var(--border, rgba(255, 255, 255, 0.08)) !important;
    border-radius: 12px !important;
    padding: 0.75rem !important;
    min-height: 100px !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    color: var(--text-main, #f8fafc) !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.day-calendar:hover {
    background: rgba(99, 102, 241, 0.25) !important;
    border-color: var(--accent, #6366f1) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.2) !important;
}

.day-number {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted, #94a3b8);
    text-align: left;
}

.day-runs {
    text-align: center;
    margin: 0.25rem 0;
}

.run-badge {
    display: inline-block;
    font-size: 1.35rem;
    font-weight: 800;
    color: #ffffff;
}

.day-steps {
    font-size: 0.75rem;
    color: var(--text-muted, #94a3b8);
    text-align: center;
}

/* C3 Dark Overrides */
.c3 text {
    fill: var(--text-muted, #94a3b8) !important;
}

.c3-axis line, .c3-axis path,
.c3-grid line, .c3-grid path {
    stroke: var(--border, rgba(255, 255, 255, 0.15)) !important;
}

.c3-circle {
    opacity: 1 !important;
}

.c3-grid text {
    fill: var(--text-muted, #94a3b8) !important;
}

.c3-grid line {
    stroke: rgba(255, 255, 255, 0.15) !important;
}