/* ============================================================
   DilKursu Booking — ExpertlyEdu dark public skin + calendar fix
   ============================================================ */
#dilkursu-calendar-wrap,
#dk-booking-modal {
    --dk-bg: #020617;
    --dk-surface: rgba(15, 23, 42, .94);
    --dk-surface-2: rgba(30, 41, 59, .82);
    --dk-surface-3: rgba(8, 13, 28, .96);
    --dk-border: rgba(148, 163, 184, .18);
    --dk-border-strong: rgba(34, 211, 238, .32);
    --dk-text: #f8fafc;
    --dk-muted: #b8c3d6;
    --dk-soft: #94a3b8;
    --dk-accent: #22d3ee;
    --dk-accent-2: #2563eb;
    --dk-accent-lt: rgba(34, 211, 238, .13);
    --dk-warn: #f59e0b;
    --dk-warn-lt: rgba(245, 158, 11, .16);
    --dk-danger: #fb7185;
    --dk-danger-lt: rgba(244, 63, 94, .15);
    --dk-buffer: #a78bfa;
    --dk-buffer-lt: rgba(167, 139, 250, .15);
    --dk-ok: #22c55e;
    --dk-ok-lt: rgba(34, 197, 94, .14);
    --dk-shadow: 0 28px 80px rgba(0, 0, 0, .34), inset 0 1px 0 rgba(255,255,255,.04);
    --dk-radius: 28px;
    color: var(--dk-text);
    box-sizing: border-box;
    font-family: Inter, Poppins, Mulish, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#dilkursu-calendar-wrap *,
#dilkursu-calendar-wrap *::before,
#dilkursu-calendar-wrap *::after,
#dk-booking-modal *,
#dk-booking-modal *::before,
#dk-booking-modal *::after { box-sizing: border-box; }

#dilkursu-calendar-wrap {
    position: relative;
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    background:
        radial-gradient(circle at 12% 8%, rgba(34,211,238,.18), transparent 28%),
        radial-gradient(circle at 90% 0%, rgba(37,99,235,.18), transparent 30%),
        linear-gradient(145deg, rgba(2,6,23,.98), rgba(15,23,42,.96));
    border: 1px solid var(--dk-border);
    border-radius: var(--dk-radius);
    overflow: hidden;
    box-shadow: var(--dk-shadow);
}

#dilkursu-calendar-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 42px 42px;
    opacity: .35;
    pointer-events: none;
}

#dilkursu-calendar-wrap > * { position: relative; z-index: 1; }

.dk-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 18px 22px;
    background: rgba(15, 23, 42, .78);
    border-bottom: 1px solid var(--dk-border);
    backdrop-filter: blur(16px);
    flex-wrap: wrap;
}

.dk-top-left,
.dk-top-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.dk-credit-pill,
.dk-alert {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-height: 40px;
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
}

.dk-credit-pill {
    color: #dcfce7;
    background: var(--dk-ok-lt);
    border: 1px solid rgba(34,197,94,.30);
}

.dk-alert-info {
    color: #dbeafe;
    background: rgba(37, 99, 235, .14);
    border: 1px solid rgba(96, 165, 250, .28);
}
.dk-alert-warn {
    color: #fef3c7;
    background: var(--dk-warn-lt);
    border: 1px solid rgba(245, 158, 11, .32);
}
.dk-alert a,
.dk-alert-cta {
    color: var(--dk-accent) !important;
    text-decoration: none;
    font-weight: 800;
}
.dk-alert a:hover { color: #67e8f9 !important; }
.dk-pill-icon { filter: drop-shadow(0 0 10px rgba(34,211,238,.25)); }

.dk-instructor-select {
    min-height: 42px;
    appearance: none;
    background: rgba(2, 6, 23, .82);
    color: var(--dk-text);
    border: 1px solid var(--dk-border-strong);
    border-radius: 999px;
    padding: 8px 42px 8px 16px;
    font-size: 14px;
    font-weight: 700;
    outline: none;
    cursor: pointer;
    background-image: linear-gradient(45deg, transparent 50%, #22d3ee 50%), linear-gradient(135deg, #22d3ee 50%, transparent 50%);
    background-position: calc(100% - 19px) 17px, calc(100% - 13px) 17px;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
}
.dk-instructor-select option { background: #0f172a; color: #f8fafc; }
.dk-instructor-select:focus { border-color: var(--dk-accent); box-shadow: 0 0 0 4px rgba(34,211,238,.12); }

.dk-booking-layout {
    display: grid;
    grid-template-columns: minmax(300px, 390px) 1fr;
    min-height: 520px;
}

.dk-calendar-col {
    min-width: 0;
    padding: 24px;
    border-right: 1px solid var(--dk-border);
    background: rgba(2, 6, 23, .42);
}
.dk-slots-col {
    min-width: 0;
    padding: 24px;
    background: rgba(15, 23, 42, .30);
}

#dk-date-picker {
    min-height: 358px;
    display: block;
}

/* Flatpickr / local fallback calendar */
#dilkursu-calendar-wrap .flatpickr-calendar {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
    inset: auto !important;
    background: rgba(15, 23, 42, .92) !important;
    border: 1px solid var(--dk-border) !important;
    border-radius: 24px !important;
    box-shadow: 0 20px 54px rgba(0,0,0,.28) !important;
    padding: 14px !important;
    overflow: hidden !important;
}
#dilkursu-calendar-wrap .flatpickr-calendar.inline { display: block !important; }
#dilkursu-calendar-wrap .flatpickr-innerContainer,
#dilkursu-calendar-wrap .flatpickr-rContainer,
#dilkursu-calendar-wrap .flatpickr-days,
#dilkursu-calendar-wrap .dayContainer {
    width: 100% !important;
    max-width: none !important;
    min-width: 0 !important;
    display: grid !important;
}
#dilkursu-calendar-wrap .flatpickr-months {
    display: grid;
    grid-template-columns: 40px 1fr 40px;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}
#dilkursu-calendar-wrap .flatpickr-current-month,
#dilkursu-calendar-wrap .flatpickr-monthDropdown-months,
#dilkursu-calendar-wrap .numInputWrapper,
#dilkursu-calendar-wrap .cur-year {
    color: var(--dk-text) !important;
    font-weight: 900 !important;
    font-size: 18px !important;
    text-align: center;
}
#dilkursu-calendar-wrap .flatpickr-prev-month,
#dilkursu-calendar-wrap .flatpickr-next-month {
    width: 40px !important;
    height: 40px !important;
    display: inline-grid !important;
    place-items: center !important;
    border-radius: 14px !important;
    border: 1px solid rgba(34,211,238,.24) !important;
    background: rgba(34,211,238,.10) !important;
    color: var(--dk-accent) !important;
    cursor: pointer !important;
    font-size: 24px !important;
    line-height: 1 !important;
    padding: 0 !important;
}
#dilkursu-calendar-wrap .flatpickr-prev-month:hover,
#dilkursu-calendar-wrap .flatpickr-next-month:hover { background: rgba(34,211,238,.18) !important; }
#dilkursu-calendar-wrap .flatpickr-prev-month svg,
#dilkursu-calendar-wrap .flatpickr-next-month svg { fill: currentColor !important; }
#dilkursu-calendar-wrap .flatpickr-weekdays,
#dilkursu-calendar-wrap .flatpickr-weekdaycontainer {
    display: grid !important;
    grid-template-columns: repeat(7, minmax(0,1fr));
    width: 100% !important;
    gap: 6px;
    margin-bottom: 8px;
}
#dilkursu-calendar-wrap span.flatpickr-weekday,
#dilkursu-calendar-wrap .flatpickr-weekday {
    color: var(--dk-soft) !important;
    font-size: 12px !important;
    font-weight: 800 !important;
    text-align: center !important;
}
#dilkursu-calendar-wrap .dayContainer {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 7px;
}
#dilkursu-calendar-wrap .flatpickr-day {
    width: auto !important;
    max-width: none !important;
    height: 42px !important;
    line-height: 42px !important;
    margin: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 14px !important;
    border: 1px solid transparent !important;
    color: #dbeafe !important;
    background: rgba(15,23,42,.74) !important;
    font-weight: 800 !important;
    cursor: pointer !important;
}
#dilkursu-calendar-wrap .flatpickr-day:hover {
    border-color: rgba(34,211,238,.42) !important;
    background: rgba(34,211,238,.13) !important;
    color: #fff !important;
}
#dilkursu-calendar-wrap .flatpickr-day.prevMonthDay,
#dilkursu-calendar-wrap .flatpickr-day.nextMonthDay {
    opacity: .36 !important;
}
#dilkursu-calendar-wrap .flatpickr-day.today {
    border-color: rgba(245,158,11,.52) !important;
    color: #fef3c7 !important;
}
#dilkursu-calendar-wrap .flatpickr-day.dk-has-slots {
    color: #ecfeff !important;
    background: linear-gradient(135deg, rgba(34,211,238,.22), rgba(37,99,235,.18)) !important;
    border-color: rgba(34,211,238,.48) !important;
    box-shadow: 0 0 0 1px rgba(34,211,238,.05), 0 10px 28px rgba(34,211,238,.11);
}
#dilkursu-calendar-wrap .flatpickr-day.dk-has-slots::after {
    content: "";
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 999px;
    background: var(--dk-accent);
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(34,211,238,.8);
}
#dilkursu-calendar-wrap .flatpickr-day.selected,
#dilkursu-calendar-wrap .flatpickr-day.startRange,
#dilkursu-calendar-wrap .flatpickr-day.endRange {
    color: #06121f !important;
    background: linear-gradient(135deg, #22d3ee, #60a5fa) !important;
    border-color: transparent !important;
    box-shadow: 0 14px 34px rgba(34,211,238,.25) !important;
}
#dilkursu-calendar-wrap .flatpickr-day.flatpickr-disabled,
#dilkursu-calendar-wrap .flatpickr-day.flatpickr-disabled:hover {
    color: rgba(148,163,184,.35) !important;
    background: rgba(15,23,42,.35) !important;
    border-color: transparent !important;
    cursor: not-allowed !important;
}

.dk-empty-hint {
    min-height: 330px;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 14px;
    text-align: center;
    color: var(--dk-muted);
    border: 1px dashed rgba(148,163,184,.22);
    border-radius: 24px;
    background: rgba(2,6,23,.28);
    padding: 34px;
}
.dk-hint-icon { font-size: 38px; filter: drop-shadow(0 0 18px rgba(34,211,238,.16)); }
.dk-empty-hint p { margin: 0; font-size: 16px; line-height: 1.65; }

.dk-date-heading {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--dk-text);
    font-size: 21px;
    font-weight: 900;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.dk-step-label {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dk-muted);
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 14px;
}
.dk-step-label em { color: var(--dk-soft); font-style: normal; font-weight: 700; }
.dk-step-num {
    width: 28px;
    height: 28px;
    display: inline-grid;
    place-items: center;
    border-radius: 999px;
    background: rgba(34,211,238,.13);
    border: 1px solid rgba(34,211,238,.28);
    color: var(--dk-accent);
    font-weight: 900;
}
.dk-hour-grid,
.dk-minute-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
    gap: 12px;
}
.dk-hour-btn,
.dk-min-btn,
.dk-back-btn,
.dk-modal-btn {
    appearance: none;
    border: 0;
    font-family: inherit;
}
.dk-hour-btn {
    position: relative;
    min-height: 58px;
    border-radius: 18px;
    padding: 14px 18px;
    font-size: 16px;
    font-weight: 900;
    color: var(--dk-text);
    background: rgba(15,23,42,.74);
    border: 1px solid var(--dk-border);
    cursor: pointer;
    transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.dk-hour-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    background: rgba(34,211,238,.11);
    border-color: rgba(34,211,238,.42);
}
.dk-hour-ok { color: #ecfeff; }
.dk-hour-full,
.dk-hour-btn:disabled {
    color: rgba(148,163,184,.45);
    cursor: not-allowed;
    background: rgba(15,23,42,.36);
}
.dk-hour-dot {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 8px;
    height: 8px;
    background: var(--dk-accent);
    border-radius: 999px;
    box-shadow: 0 0 14px rgba(34,211,238,.75);
}
.dk-back-btn {
    min-height: 38px;
    padding: 8px 13px;
    border-radius: 999px;
    color: var(--dk-accent);
    background: rgba(34,211,238,.10);
    border: 1px solid rgba(34,211,238,.24);
    cursor: pointer;
    font-weight: 900;
}
.dk-min-btn {
    text-align: left;
    min-height: 98px;
    padding: 16px;
    border-radius: 20px;
    color: var(--dk-text);
    background: rgba(15,23,42,.76);
    border: 1px solid var(--dk-border);
    cursor: pointer;
    transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.dk-min-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    border-color: rgba(34,211,238,.42);
    background: rgba(34,211,238,.10);
}
.dk-min-top,
.dk-min-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.dk-min-top { margin-bottom: 12px; }
.dk-min-time { font-size: 18px; font-weight: 950; }
.dk-min-arrow { color: var(--dk-accent); font-weight: 900; }
.dk-min-name { color: var(--dk-muted); font-size: 13px; font-weight: 800; }
.dk-min-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 900;
    color: #fff;
    background: rgba(148,163,184,.18);
}
.dk-min-ok { border-color: rgba(34,197,94,.28); }
.dk-min-nopack { border-color: rgba(245,158,11,.30); }
.dk-min-nopack .dk-min-tag { color: #fef3c7; background: var(--dk-warn-lt); }
.dk-min-booked,
.dk-min-buffer,
.dk-min-btn:disabled {
    opacity: .66;
    cursor: not-allowed;
    background: rgba(15,23,42,.40);
}
.dk-min-booked .dk-min-tag { color: #fecdd3; background: var(--dk-danger-lt); }
.dk-min-buffer .dk-min-tag { color: #ddd6fe; background: var(--dk-buffer-lt); }

#dk-booking-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
}
.dk-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(2,6,23,.74);
    backdrop-filter: blur(8px);
}
.dk-modal-box {
    position: relative;
    width: min(94vw, 520px);
    margin: 8vh auto 0;
    color: var(--dk-text);
    background: linear-gradient(145deg, rgba(15,23,42,.98), rgba(2,6,23,.98));
    border: 1px solid var(--dk-border);
    border-radius: 28px;
    box-shadow: 0 34px 110px rgba(0,0,0,.56);
    padding: 26px;
}
.dk-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 38px;
    height: 38px;
    border-radius: 999px;
    border: 1px solid rgba(148,163,184,.22);
    background: rgba(15,23,42,.82);
    color: var(--dk-text);
    font-size: 24px;
    cursor: pointer;
}
.dk-modal-header { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.dk-modal-icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background: rgba(34,211,238,.12);
    border: 1px solid rgba(34,211,238,.25);
    font-size: 24px;
}
.dk-modal-header h3 { margin: 0; font-size: 22px; line-height: 1.2; }
.dk-modal-row,
.dk-modal-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 13px 0;
    border-bottom: 1px solid rgba(148,163,184,.14);
}
.dk-modal-row span:first-child,
.dk-modal-info span:first-child { color: var(--dk-muted); font-weight: 700; }
.dk-modal-row strong,
.dk-modal-info strong { color: #fff; font-weight: 900; text-align: right; }
.dk-modal-note {
    margin: 18px 0;
    padding: 14px 16px;
    border-radius: 18px;
    color: #dbeafe;
    background: rgba(37,99,235,.12);
    border: 1px solid rgba(96,165,250,.22);
}
.dk-modal-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.dk-modal-btn {
    min-height: 46px;
    padding: 11px 18px;
    border-radius: 999px;
    font-weight: 900;
    cursor: pointer;
    text-decoration: none !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.dk-modal-btn-primary {
    color: #04111f !important;
    background: linear-gradient(135deg, #22d3ee, #60a5fa);
    box-shadow: 0 16px 34px rgba(34,211,238,.24);
}
.dk-modal-btn-ghost {
    color: var(--dk-text) !important;
    background: rgba(15,23,42,.74);
    border: 1px solid rgba(148,163,184,.22);
}

.dk-toast {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 999999;
    max-width: min(420px, calc(100vw - 44px));
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 18px;
    color: #fff;
    background: rgba(15,23,42,.96);
    border: 1px solid rgba(148,163,184,.22);
    box-shadow: 0 24px 70px rgba(0,0,0,.38);
    transform: translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: .2s ease;
}
.dk-toast-show { transform: translateY(0); opacity: 1; pointer-events: auto; }
.dk-toast-success { border-color: rgba(34,197,94,.35); }
.dk-toast-error { border-color: rgba(251,113,133,.35); }
.dk-toast-info { border-color: rgba(34,211,238,.35); }
.dk-toast-close { margin-left: auto; background: transparent; border: 0; color: var(--dk-muted); cursor: pointer; font-size: 20px; }
.dk-toast-zoom { color: var(--dk-accent) !important; font-weight: 900; text-decoration: none; }

.dilkursu-my-bookings,
.dilkursu-credit-info {
    color: var(--dk-text, #f8fafc);
    background: linear-gradient(145deg, rgba(15,23,42,.96), rgba(2,6,23,.96));
    border: 1px solid rgba(148,163,184,.18);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 24px 80px rgba(0,0,0,.28);
}
.dilkursu-my-bookings h3,
.dilkursu-credit-info h3 { margin-top: 0; color: #fff; }
.dilkursu-bookings-table { width: 100%; border-collapse: separate; border-spacing: 0; overflow: hidden; border-radius: 18px; }
.dilkursu-bookings-table th,
.dilkursu-bookings-table td { padding: 14px; border-bottom: 1px solid rgba(148,163,184,.14); text-align: left; color: #dbeafe; }
.dilkursu-bookings-table th { color: #fff; background: rgba(34,211,238,.10); font-weight: 900; }
.status-confirmed { color: #86efac; font-weight: 900; }
.status-pending { color: #fde68a; font-weight: 900; }
.status-cancelled { color: #fda4af; font-weight: 900; }
.status-completed { color: #93c5fd; font-weight: 900; }

@media (max-width: 860px) {
    #dilkursu-calendar-wrap { border-radius: 22px; }
    .dk-booking-layout { grid-template-columns: 1fr; }
    .dk-calendar-col { border-right: 0; border-bottom: 1px solid var(--dk-border); }
    .dk-calendar-col,
    .dk-slots-col { padding: 18px; }
    #dk-date-picker { min-height: 330px; }
    #dilkursu-calendar-wrap .flatpickr-day { height: 40px !important; line-height: 40px !important; border-radius: 12px !important; }
    .dk-hour-grid,
    .dk-minute-grid { grid-template-columns: repeat(auto-fit, minmax(128px, 1fr)); }
}

@media (max-width: 520px) {
    .dk-top-bar { padding: 14px; }
    .dk-alert,
    .dk-credit-pill { width: 100%; justify-content: center; border-radius: 18px; text-align: center; }
    .dk-calendar-col,
    .dk-slots-col { padding: 14px; }
    #dilkursu-calendar-wrap .flatpickr-calendar { padding: 10px !important; border-radius: 18px !important; }
    #dilkursu-calendar-wrap .dayContainer { gap: 5px; }
    #dilkursu-calendar-wrap .flatpickr-day { height: 36px !important; line-height: 36px !important; font-size: 13px !important; }
    .dk-empty-hint { min-height: 240px; padding: 22px; }
    .dk-modal-box { padding: 22px; margin-top: 5vh; }
    .dk-modal-actions { flex-direction: column; }
    .dk-modal-btn { width: 100%; }
}