/* ═══════════════════════════════════════════
   BERBERIJEM — Editorial Barber UI
   Rudy's-inspired: bold type, paper texture,
   mixed serif+sans, vintage craft meets modern.
   ═══════════════════════════════════════════ */

:root {
    --bg:          #F2EDE4;
    --paper:       #F7F3EC;
    --surface:     #FFFDF8;
    --border:      #DDD5C8;
    --dark:        #1A1814;
    --red:         #C23B22;
    --red-soft:    #E8DDD8;
    --gold:        #B8924A;
    --gold-soft:   #EDE4D3;
    --text:        #1A1814;
    --text-light:  #6B6358;
    --text-muted:  #9B9488;
    --danger:      #C23B22;
    --success:     #3D7A4A;
    --radius:      3px;
    --radius-sm:   2px;
    --font-serif:  'Georgia', 'Times New Roman', serif;
    --font-sans:   'Samsung Sans', -apple-system, 'Segoe UI', sans-serif;
    --font-mono:   'SF Mono', 'Fira Code', monospace;
    --transition:  0.2s ease;
}

/* Noise/grain texture overlay on body */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    background-repeat: repeat;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.5;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ─── Custom Scrollbar ─── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 20px 80px;
    position: relative;
}

/* ─── HEADER ─── */
.header {
    text-align: center;
    padding: 48px 0 40px;
    position: relative;
}

/* Double line under header */
.header::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--dark);
    margin: 24px auto 0;
}

.logo {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -1px;
    color: var(--dark);
    text-transform: lowercase;
    line-height: 1;
}

.tagline {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 10px;
    margin-top: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ─── STEPS BAR ─── */
.steps-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 36px;
    padding: 16px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    opacity: 0.25;
    transition: opacity var(--transition);
}

.step-indicator.active { opacity: 1; }
.step-indicator.completed { opacity: 0.4; }

.step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: transparent;
    border: 1.5px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 13px;
    transition: all var(--transition);
    color: var(--text);
}

.step-indicator.active .step-num {
    background: var(--dark);
    border-color: var(--dark);
    color: var(--paper);
}

.step-indicator.completed .step-num {
    border-color: var(--dark);
    color: var(--dark);
}

.step-label {
    font-family: var(--font-mono);
    font-size: 8px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
}

.step-indicator.active .step-label {
    color: var(--dark);
}

.step-line {
    width: 32px;
    height: 1px;
    background: var(--border);
    margin: 0 6px;
    margin-bottom: 16px;
}

/* ─── STEP PANELS ─── */
.step-panel {
    animation: panelIn 0.35s ease;
}

.step-panel.hidden {
    display: none;
}

@keyframes panelIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.step-panel h2 {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 24px;
    text-align: center;
    letter-spacing: -0.5px;
    line-height: 1.1;
}

/* ─── SECTION DIVIDER (between barbers & services) ─── */
.section-divider {
    margin-top: 36px !important;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}

/* ─── CALENDAR SECTION (step 2 wrapper) ─── */
.calendar-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
}

.calendar-section .calendar-nav {
    margin-bottom: 16px;
}

.calendar-section .calendar-nav h3 {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 400;
    margin: 0;
}

/* ─── SLOTS DIVIDER ─── */
.slots-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.slots-divider-line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

.slots-divider-text {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ─── CALENDAR ─── */
.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.calendar-nav h2 {
    font-family: var(--font-serif);
    font-size: 20px;
    margin-bottom: 0;
    font-weight: 400;
}

.nav-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    background: var(--dark);
    border-color: var(--dark);
    color: var(--paper);
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    margin-bottom: 8px;
}

.calendar-weekdays span {
    font-family: var(--font-mono);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    padding: 4px 0;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 3px;
}

.cal-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1.5px solid transparent;
    background: transparent;
    user-select: none;
}

.cal-day:hover:not(.disabled):not(.empty) {
    border-color: var(--dark);
}

.cal-day:active:not(.disabled):not(.empty) {
    background: var(--dark);
    color: var(--paper);
}

.cal-day.today {
    border-color: var(--gold);
    color: var(--gold);
}

.cal-day.selected {
    background: var(--dark) !important;
    color: var(--paper) !important;
    border-color: var(--dark) !important;
}

.cal-day.disabled {
    color: var(--border);
    cursor: default;
}

.cal-day.empty {
    cursor: default;
}

/* ─── BACK BUTTON ─── */
.back-btn {
    background: none;
    border: none;
    color: var(--text-light);
    font-family: var(--font-mono);
    font-size: 10px;
    cursor: pointer;
    padding: 0;
    margin-bottom: 20px;
    transition: color var(--transition);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.back-btn:hover {
    color: var(--dark);
}

/* ─── TIME SLOTS ─── */
.slots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.slot {
    padding: 14px 8px;
    text-align: center;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 13px;
    user-select: none;
    letter-spacing: 1px;
}

.slot:hover:not(.booked) {
    border-color: var(--dark);
    background: var(--dark);
    color: var(--paper);
}

.slot.selected {
    background: var(--dark);
    color: var(--paper);
    border-color: var(--dark);
}

.slot.booked {
    background: transparent;
    border-color: transparent;
    color: var(--border);
    cursor: default;
    position: relative;
}

.slot.booked::after {
    content: 'ZËNË';
    position: absolute;
    font-size: 7px;
    bottom: 3px;
    right: 5px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* Booked but taken by our barber — clickable, pulsing hint */
.slot.taken {
    cursor: pointer !important;
    border: 1px dashed var(--border) !important;
    background: rgba(242, 237, 228, 0.5) !important;
    text-decoration: none !important;
    color: var(--muted) !important;
    animation: slotTakenPulse 2s ease-in-out infinite !important;
}

.slot.taken::after {
    content: 'ZËNË';
    color: var(--danger);
    opacity: 0.6;
}

.slot.taken:hover {
    border-color: var(--danger) !important;
    background: var(--red-soft) !important;
    color: var(--danger) !important;
    transform: scale(1.08);
}

/* ─── ALTERNATIVE POPUP ─── */
.alt-popup {
    position: absolute;
    z-index: 100;
    background: var(--dark);
    color: var(--paper);
    border-radius: var(--radius);
    padding: 0;
    min-width: 220px;
    max-width: 300px;
    opacity: 0;
    transform: translateX(-50%) translateY(-4px) scale(0.92);
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    overflow: hidden;
}

.alt-popup.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
    pointer-events: all;
}

.alt-popup-header {
    font-family: var(--font-serif);
    font-size: 14px;
    padding: 14px 16px 8px;
    line-height: 1.3;
}

.alt-popup-body {
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 0 16px 12px;
    color: rgba(247, 243, 236, 0.6);
    letter-spacing: 0.5px;
}

.alt-free-label {
    color: var(--gold);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 9px;
    letter-spacing: 1.5px;
}

.alt-popup-actions {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: rgba(255,255,255,0.1);
}

.alt-switch-btn {
    background: rgba(247, 243, 236, 0.08);
    border: none;
    color: var(--paper);
    padding: 11px 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: left;
}

.alt-switch-btn:hover {
    background: var(--gold);
    color: var(--dark);
}

/* ─── NOTIFY / WAITLIST BUTTON ─── */
.alt-popup-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 0;
}
.alt-notify-btn {
    background: rgba(247, 243, 236, 0.08);
    border: none;
    color: var(--paper);
    padding: 11px 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 8px;
}
.alt-notify-btn:hover {
    background: var(--success);
    color: white;
}
.alt-notify-btn .bell {
    font-size: 14px;
    opacity: 0.7;
}
.alt-notify-btn.done {
    background: rgba(61,122,74,0.2);
    color: var(--success);
    cursor: default;
    pointer-events: none;
}

/* Notify mini-form inside popup */
.alt-notify-form {
    padding: 10px 16px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.alt-notify-form input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 2px;
    background: rgba(255,255,255,0.08);
    color: var(--paper);
    font-family: var(--font-serif);
    font-size: 13px;
    outline: none;
}
.alt-notify-form input::placeholder {
    color: rgba(247,243,236,0.3);
}
.alt-notify-form input:focus {
    border-color: var(--gold);
}
.alt-notify-submit {
    padding: 8px;
    background: var(--success);
    color: white;
    border: none;
    border-radius: 2px;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.15s ease;
}
.alt-notify-submit:hover { opacity: 0.85; }

@keyframes slotTakenPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.65; }
}

/* ─── BARBERS ─── */
.barbers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
}

.barber-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 28px 16px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
    text-align: center;
}

.barber-card:hover {
    border-color: var(--dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(26,24,20,0.06);
}

.barber-card.selected {
    border-color: var(--dark);
    background: var(--dark);
}

.barber-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 22px;
    margin-bottom: 12px;
    overflow: hidden;
    color: var(--text-light);
    font-weight: 400;
    transition: all var(--transition);
}

.barber-card.selected .barber-avatar {
    border-color: var(--paper);
    background: var(--paper);
    color: var(--dark);
}

.barber-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.barber-name {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 17px;
    margin-bottom: 2px;
    transition: color var(--transition);
}

.barber-card.selected .barber-name {
    color: var(--paper);
}

.barber-title {
    font-family: var(--font-mono);
    font-size: 8px;
    color: var(--text-muted);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.barber-card.selected .barber-title {
    color: rgba(247,243,236,0.5);
}

@media (max-width: 480px) {
    .barbers-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    .barber-card { padding: 20px 8px 16px; }
    .barber-avatar { width: 52px; height: 52px; font-size: 18px; }
    .barber-name { font-size: 15px; }
}

/* ─── SERVICES ─── */
.services-grid {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.service-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--surface);
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.service-card:hover {
    background: var(--paper);
}

.service-card.selected {
    background: var(--dark);
    color: var(--paper);
}

.service-card-featured {
    background: var(--gold-soft);
}

.service-card-featured.selected {
    background: var(--dark);
}

.service-icon {
    font-family: var(--font-serif);
    font-size: 18px;
    width: 36px;
    text-align: center;
    flex-shrink: 0;
    color: var(--gold);
    font-weight: 400;
}

.service-card.selected .service-icon {
    color: var(--paper);
}

.service-name {
    flex: 1;
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 16px;
}

.service-duration {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 400;
    color: var(--text-muted);
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 100px;
    flex-shrink: 0;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.service-card.selected .service-duration {
    border-color: rgba(247,243,236,0.3);
    color: rgba(247,243,236,0.7);
}

/* ─── BOOKING FORM ─── */
.booking-summary {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    margin-bottom: 24px;
}

.booking-summary .summary-barber {
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 400;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.booking-summary .summary-date {
    font-family: var(--font-serif);
    font-size: 14px;
    font-weight: 400;
    color: var(--text-light);
}

.booking-summary .summary-time {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 400;
    margin-top: 4px;
    letter-spacing: -1px;
    color: var(--dark);
}

.booking-summary .summary-service {
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 400;
    margin-top: 10px;
    color: var(--text);
}

.booking-summary .summary-duration {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 10px;
    letter-spacing: 1px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-serif);
    font-size: 17px;
    outline: none;
    transition: border-color var(--transition);
}

.form-group input::placeholder {
    color: var(--border);
}

.form-group input:focus {
    border-color: var(--dark);
}

.form-group input.error {
    border-color: var(--danger);
}

.error-msg {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--danger);
    display: block;
    min-height: 16px;
    margin-top: 4px;
    letter-spacing: 0.5px;
}

/* ─── BUTTONS ─── */
.btn-book {
    width: 100%;
    padding: 16px;
    background: var(--dark);
    color: var(--paper);
    border: 1px solid var(--dark);
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 400;
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: 8px;
}

.btn-book:hover {
    background: transparent;
    color: var(--dark);
}

.btn-book:active {
    background: var(--dark);
    color: var(--paper);
}

.btn-book:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.btn-loader {
    display: inline;
}

.hidden {
    display: none !important;
}

/* ─── CONFIRMATION ─── */
.confirm-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--dark);
    color: var(--paper);
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    animation: confirmIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes confirmIn {
    0% { transform: scale(0) rotate(-10deg); opacity: 0; }
    60% { transform: scale(1.1) rotate(2deg); }
    100% { transform: scale(1) rotate(0); opacity: 1; }
}

#step-confirm h2 {
    color: var(--dark);
}

.confirm-details {
    text-align: center;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 28px;
    font-family: var(--font-serif);
    font-size: 16px;
}

.confirm-details strong {
    color: var(--dark);
}

/* ─── TOAST ─── */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--dark);
    color: var(--paper);
    padding: 12px 24px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
    white-space: nowrap;
    border-radius: var(--radius);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.error {
    background: var(--danger);
}

/* ─── STAGGER ANIMATION ─── */
@keyframes staggerIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.barber-card { animation: staggerIn 0.3s ease both; }
.barber-card:nth-child(1) { animation-delay: 0.04s; }
.barber-card:nth-child(2) { animation-delay: 0.08s; }
.barber-card:nth-child(3) { animation-delay: 0.12s; }
.barber-card:nth-child(4) { animation-delay: 0.16s; }

.service-card { animation: staggerIn 0.3s ease both; }
.service-card:nth-child(1) { animation-delay: 0.04s; }
.service-card:nth-child(2) { animation-delay: 0.08s; }
.service-card:nth-child(3) { animation-delay: 0.12s; }

.slot { animation: staggerIn 0.25s ease both; }

/* ─── MOBILE ─── */
@media (max-width: 480px) {
    .container { padding: 0 16px 60px; }
    .header { padding: 36px 0 32px; }
    .logo { font-size: 40px; }
    .slots-grid { gap: 6px; }
    .slot { padding: 12px 4px; font-size: 12px; }
    .step-panel h2 { font-size: 24px; }
}