/* ── DOB Wheel Picker ─────────────────────────────── */

/* Trigger field */
.dob-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    min-height: 56px;
    border: 2px solid var(--dob-primary);
    border-radius: 5px;
    cursor: pointer;
    background: transparent;
    user-select: none;
    position: relative;
}
.dob-trigger .dob-float-label {
    position: absolute;
    top: -10px;
    left: 10px;
    background: var(--dob-bg);
    padding: 0 4px;
    font-size: 0.75rem;
    color: var(--dob-primary);
    font-weight: 500;
    line-height: 1.2;
}
.dob-trigger .dob-text {
    font-size: 0.9375rem;
    color: var(--dob-primary);
    flex: 1;
}
.dob-trigger .dob-text.dob-ph {
    opacity: 0.55;
}
.dob-trigger .dob-caret {
    color: var(--dob-primary);
    font-size: 1.1rem;
    margin-left: 8px;
    transition: transform 0.25s;
}
.dob-trigger.open .dob-caret {
    transform: rotate(180deg);
}

/* Overlay backdrop */
.dob-overlay {
    position: fixed;
    inset: 0;
    z-index: 10050;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}
.dob-overlay.show {
    opacity: 1;
    pointer-events: all;
}

/* Bottom sheet */
.dob-sheet {
    background: #fff;
    width: 100%;
    max-width: 520px;
    border-radius: 18px 18px 0 0;
    transform: translateY(100%);
    transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1);
    padding-bottom: 16px;
    box-shadow: 0 -6px 32px rgba(0, 0, 0, 0.14);
}
.dob-overlay.show .dob-sheet {
    transform: translateY(0);
}

.dob-sheet-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px 12px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.09);
}
.dob-sheet-header .dob-btn-cancel {
    background: none;
    border: none;
    color: #888;
    font-size: 1rem;
    cursor: pointer;
    padding: 4px 0;
}
.dob-sheet-header .dob-sheet-title {
    font-size: 1rem;
    font-weight: 600;
    color: #1a1a1a;
}
.dob-sheet-header .dob-btn-done {
    background: none;
    border: none;
    color: var(--dob-primary);
    font-size: 1rem;
    cursor: pointer;
    padding: 4px 0;
    font-weight: 600;
}

/* Column labels */
.dob-col-labels {
    display: flex;
    padding: 6px 20px 0;
}
.dob-col-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #aaa;
    text-align: center;
}
.dob-col-label.lbl-month { flex: 1.6; }
.dob-col-label.lbl-day   { flex: 1; }
.dob-col-label.lbl-year  { flex: 1.2; }

/* Wheels wrap */
.dob-wheels-wrap {
    position: relative;
    display: flex;
    align-items: stretch;
    height: 220px;
    overflow: hidden;
    padding: 0 20px;
    margin-top: 2px;
}
.dob-wheels-wrap::before,
.dob-wheels-wrap::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 88px;
    z-index: 3;
    pointer-events: none;
}
.dob-wheels-wrap::before {
    top: 0;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0) 100%);
}
.dob-wheels-wrap::after {
    bottom: 0;
    background: linear-gradient(to top, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0) 100%);
}

/* Selection highlight bar */
.dob-sel-bar {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    height: 44px;
    border-top: 1px solid rgba(0, 0, 0, 0.14);
    border-bottom: 1px solid rgba(0, 0, 0, 0.14);
    background: rgba(0, 0, 0, 0.025);
    border-radius: 6px;
    pointer-events: none;
    z-index: 2;
}

/* Individual wheel column */
.dob-wheel {
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
    height: 100%;
    -webkit-overflow-scrolling: touch;
}
.dob-wheel::-webkit-scrollbar { display: none; }
.dob-wheel.dob-month { flex: 1.6; }
.dob-wheel.dob-day   { flex: 1; }
.dob-wheel.dob-year  { flex: 1.2; }

.dob-wheel-pad { height: 88px; flex-shrink: 0; }

.dob-wheel-item {
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    scroll-snap-align: center;
    font-size: 1rem;
    color: #999;
    user-select: none;
    transition: color 0.12s ease, font-size 0.12s ease, font-weight 0.12s ease;
    cursor: pointer;
}
.dob-wheel-item.selected {
    color: #111;
    font-size: 1.15rem;
    font-weight: 700;
}

/* Vertical divider between columns */
.dob-wheel-sep {
    width: 1px;
    background: rgba(0, 0, 0, 0.07);
    height: 55%;
    align-self: center;
    flex-shrink: 0;
}