:root {
    --dl-black:       #1c1c1e;
    --dl-cyan:        #23f1d8;
    --dl-cyan-light:  #e5fdfb;
    --dl-red:         #f52849;
    --dl-bg:          #f5f5f7;
    --dl-surface:     #ffffff;
    --dl-border:      #e5e5ea;
    --dl-text:        #1c1c1e;
    --dl-muted:       #6e6e73;
    --dl-link:        #1c1c1e;
    --dl-link-hover:  #0c8475;
}

/* Base */
body {
    background-color: var(--dl-bg);
    color: var(--dl-text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* ── Links ──────────────────────────────────────────────── */
/* Content links only — buttons, badges, navbar brand, nav, dropdown and pagination links keep their own styling */
a:not(.btn):not(.badge):not(.navbar-brand):not(.nav-link):not(.dropdown-item):not(.page-link) {
    color: var(--dl-link);
    text-decoration: underline;
    text-decoration-color: var(--dl-border);
    text-underline-offset: 0.15em;
    transition: color 0.12s ease, text-decoration-color 0.12s ease;
}

a:not(.btn):not(.badge):not(.navbar-brand):not(.nav-link):not(.dropdown-item):not(.page-link):hover {
    color: var(--dl-link-hover);
    text-decoration-color: var(--dl-link-hover);
}

/* ── Navbar ─────────────────────────────────────────────── */
.dl-navbar {
    background-color: var(--dl-surface);
    border-bottom: 1px solid var(--dl-border);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.dl-navbar .navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    padding: 0;
}

.dl-navbar .navbar-brand img {
    height: 32px;
    width: auto;
}

.dl-app-badge {
    display: inline-block;
    background-color: var(--dl-black);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    line-height: 1.5;
}

/* ── Accent gradient bar ─────────────────────────────────── */
.dl-accent-bar {
    height: 3px;
    background: linear-gradient(90deg, var(--dl-cyan) 0%, var(--dl-red) 100%);
    border-radius: 2px;
    margin-bottom: 1.75rem;
}

/* ── Cards ──────────────────────────────────────────────── */
.card {
    border: 1px solid var(--dl-border);
    border-radius: 12px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.card-header {
    border-radius: 12px 12px 0 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.card-header.dl-header {
    background-color: var(--dl-black);
    color: #fff;
}

/* ── Tables ─────────────────────────────────────────────── */
.table-responsive {
    overflow: visible;
}

.table > thead th {
    background-color: var(--dl-black);
    color: #fff;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-bottom: none;
}

.table > thead.thead-cyan th {
    background-color: var(--dl-cyan);
    color: var(--dl-black);
}

.table-hover > tbody > tr:hover > * {
    background-color: rgba(35, 241, 216, 0.06);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn-dl {
    background-color: var(--dl-black);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.45rem 1rem;
    transition: background-color 0.15s ease;
}

.btn-dl:hover,
.btn-dl:focus {
    background-color: #2a2a2e;
    color: #fff;
}

.btn-dl-outline {
    background-color: transparent;
    color: var(--dl-black);
    border: 1.5px solid var(--dl-border);
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.4rem 0.9rem;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.btn-dl-outline:hover {
    border-color: var(--dl-black);
    background-color: var(--dl-black);
    color: #fff;
}

/* ── Badges ─────────────────────────────────────────────── */
.badge-count {
    background-color: var(--dl-cyan);
    color: var(--dl-black);
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 8px;
    padding: 0.3em 0.65em;
}

.badge-count-zero {
    background-color: var(--dl-border);
    color: var(--dl-muted);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 8px;
    padding: 0.3em 0.65em;
}

/* ── Notes ───────────────────────────────────────────────── */
.note-item {
    border-left: 3px solid var(--dl-cyan);
    background-color: var(--dl-cyan-light);
    border-radius: 0 8px 8px 0;
    padding: 0.6rem 0.85rem;
}

.note-item .note-date {
    color: var(--dl-muted);
    font-size: 0.75rem;
    margin-bottom: 0.25rem;
}

.note-item .note-text {
    font-size: 0.875rem;
    color: var(--dl-text);
}

/* ── Login page ───────────────────────────────────────────── */
.login-wrap {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.login-card {
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--dl-border);
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
    padding: 2.5rem 2rem;
    background: var(--dl-surface);
}

.login-card .login-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.login-card .login-logo img {
    height: 36px;
}

.login-card .login-title {
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--dl-text);
}

.login-card .form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--dl-text);
}

.login-card .form-control {
    border-color: var(--dl-border);
    border-radius: 8px;
    padding: 0.55rem 0.85rem;
    font-size: 0.9rem;
}

.login-card .form-control:focus {
    border-color: var(--dl-cyan);
    box-shadow: 0 0 0 3px rgba(35, 241, 216, 0.2);
}

/* ── Footer ─────────────────────────────────────────────── */
.dl-footer {
    background-color: var(--dl-surface);
    border-top: 1px solid var(--dl-border);
}

/* ── Popover: Alert (hell-rot) ───────────────────────────── */
.popover-alert {
    --bs-popover-bg:            #fff0f0;
    --bs-popover-border-color:  #f5c6c6;
    --bs-popover-header-bg:     #fdd9d9;
    --bs-popover-header-color:  #7a1a1a;
    --bs-popover-body-color:    #5c1a1a;
}

/* ── Termin-Kalender ─────────────────────────────────────── */
.dl-calendar {
    border: 1px solid var(--dl-border);
}

.dl-calendar .card-header {
    border-bottom: 1px solid var(--dl-border);
}

.dl-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 1px;
    background-color: var(--dl-border);
}

.dl-calendar-weekday {
    background-color: #fafafa;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--dl-muted);
    padding: 0.4rem 0.5rem;
    text-align: center;
    letter-spacing: 0.04em;
}

.dl-calendar-weekday.is-weekend {
    color: var(--dl-red);
}

.dl-calendar-day {
    background-color: var(--dl-surface);
    min-height: 6.5rem;
    padding: 0.35rem 0.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.dl-calendar-day.is-empty {
    background-color: #f7f7f9;
}

.dl-calendar-day.is-weekend {
    background-color: #fff5f6;
}

.dl-calendar-day.is-out-of-range {
    background-color: #f5f5f7;
    color: #b5b5ba;
}

.dl-calendar-day.is-out-of-range.is-weekend {
    background-color: #f5edee;
}

/* Schulferien: unauffällige, ruhige Hintergrundfarbe */
.dl-calendar-day.is-school-holiday {
    background-color: #f3f6f9;
}

.dl-calendar-day.is-school-holiday.is-weekend {
    background-color: #eef2f6;
}

/* Feiertage deutlich gekennzeichnet (überschreibt Ferien-/Wochenend-Hintergrund) */
.dl-calendar-day.is-holiday,
.dl-calendar-day.is-holiday.is-weekend,
.dl-calendar-day.is-holiday.is-school-holiday {
    background-color: #fff0f0;
    box-shadow: inset 3px 0 0 var(--dl-red);
}

.dl-calendar-day.is-today {
    box-shadow: inset 0 0 0 2px var(--dl-cyan);
}

.dl-calendar-holiday {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1.15;
    color: var(--dl-red);
    overflow: hidden;
}

.dl-calendar-holiday span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dl-calendar-ferien {
    font-size: 0.62rem;
    font-weight: 500;
    line-height: 1.15;
    color: var(--dl-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dl-calendar-day-number {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--dl-text);
}

.dl-calendar-day.is-out-of-range .dl-calendar-day-number {
    color: #b5b5ba;
}

.dl-calendar-events {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.dl-calendar-event {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    width: 100%;
    padding: 2px 4px;
    font-size: 0.7rem;
    line-height: 1.1;
    text-align: left; /* overrides the centering from Bootstrap's .badge */
    text-decoration: none;
    border-radius: 4px;
    overflow: hidden;
}

.dl-calendar-event:hover {
    filter: brightness(0.92);
}

.dl-calendar-event-time {
    font-weight: 700;
    flex-shrink: 0;
}

.dl-calendar-event-title {
    flex: 1 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dl-calendar-avatars {
    display: inline-flex;
    flex-shrink: 0;
    align-self: center;
    align-items: center;
}

.dl-calendar-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    background: #fff;
    color: #212529;
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1;
    border: 1px solid rgba(0, 0, 0, 0.25);
    box-shadow: 0 0 0 1.5px rgba(255, 255, 255, 0.55);
}

.dl-calendar-avatar + .dl-calendar-avatar {
    margin-left: -0.5rem;
}

.dl-calendar-avatar.is-substitute {
    background: var(--bs-warning, #ffc107);
    color: #212529;
}

.dl-markdown > :last-child {
    margin-bottom: 0;
}