/* Unified surface components */
.dashboard-card,
.settings-card,
.management-card,
.lesson-modal-card,
.calendar-modal-card,
.calendar-main-panel,
.ai-sidebar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
}

.settings-card,
.management-card,
.calendar-main-panel {
    box-shadow: var(--color-card-shadow);
}

.lesson-modal-card,
.calendar-modal-card,
.ai-sidebar {
    box-shadow: var(--shadow-sm);
}

.dashboard-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 14px;
    min-height: 116px;
    overflow: hidden;
    background:
        linear-gradient(
            180deg,
            var(--color-surface) 0%,
            var(--color-surface-soft) 100%
        );
    color: var(--color-muted);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    box-shadow: none;
}

.dashboard-card::before {
    content: "";
    position: absolute;
    top: 18px;
    bottom: 18px;
    left: 0;
    width: 3px;
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
    background: var(--color-primary);
    opacity: 0.75;
}

.dashboard-card,
.settings-card,
.management-card {
    padding: 24px;
}

.page-header p,
.settings-hint,
.management-list-meta,
.calendar-quick-hint span {
    color: var(--color-muted);
}

.settings-link-card,
.management-list-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: none;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: fit-content;
    border-radius: var(--radius-full);
    padding: 5px 9px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
}

.status-badge::before {
    content: "";
    width: 6px;
    height: 6px;
    flex: 0 0 6px;
    border-radius: var(--radius-full);
    background: currentColor;
    opacity: 0.65;
}

.status-badge-scheduled {
    background: var(--color-primary-soft);
    color: var(--color-primary-hover);
    border: 1px solid var(--color-primary-border);
}

.status-badge-completed {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.status-badge-cancelled {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
}

.status-badge-no-show {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}

.status-badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.status-badge-active {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.status-badge-inactive {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
}

.availability-type-badge {
    background: var(--color-surface-soft);
    color: var(--color-muted-strong);
    border: 1px solid var(--color-border);
}

.flash-messages {
    max-width: 1200px;
    margin: 0 auto 18px;
    display: grid;
    gap: 8px;
}

.flash-message {
    display: flex;
    align-items: flex-start;
    gap: 10px;

    padding: 13px 14px;

    border: 1px solid transparent;
    border-radius: var(--radius-lg);

    font-weight: 600;
    line-height: 1.5;

    box-shadow: none;
}

.flash-message::before {
    content: "";

    width: 7px;
    height: 7px;
    flex: 0 0 7px;

    margin-top: 7px;

    border-radius: var(--radius-full);

    background: currentColor;
    opacity: 0.7;
}

.flash-message-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border-color: var(--color-success-border);
}

.flash-message-error {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border-color: var(--color-danger-border);
}

.flash-message-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border-color: var(--color-warning-border);
}

.flash-message-info {
    background: var(--color-primary-soft);
    color: var(--color-primary-hover);
    border-color: var(--color-primary-border);
}
/* Student contact actions on authorized detail pages. */
.student-contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.student-contact-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface-soft);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 650;
}

.student-contact-action:hover,
.student-contact-action:focus-visible {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.student-contact-invalid {
    margin-top: 8px;
    color: var(--color-muted-strong);
    font-size: 0.875rem;
}

.student-contact-action svg {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
}

.student-contact-action--whatsapp,
.mobile-card a.student-contact-action--whatsapp {
    color: #087342;
}