/* ==========================================================================
   SMAB Volunteer — WhatsApp Signup Chip + Login-Wall Modal
   File: assets/css/whatsapp-signup.css
   Depends on: brand-tokens.css

   Contains:
     1. .smab-wa-signup            — inline chip + popover (reusable)
     2. .smab-login-modal          — overlay shown when a guest clicks "Sign in to apply"
   ========================================================================== */

/* ==========================================================================
   1. INLINE CHIP + POPOVER
   ========================================================================== */
.smab-wa-signup {
    position: relative;
    display: inline-block;
    font-family: var(--smab-font-body);
}

.smab-wa-signup__chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px 8px 10px;
    background: var(--smab-cream-soft);
    border: 1px solid var(--smab-line);
    border-radius: 100px;
    cursor: pointer;
    font-family: inherit;
    font-size: var(--smab-fs-sm);
    font-weight: 500;
    color: var(--smab-ink-soft);
    text-decoration: none;
    transition: all var(--smab-dur-fast) var(--smab-ease);
    box-shadow: var(--smab-shadow-sm);
}
[dir="rtl"] .smab-wa-signup__chip { padding: 8px 10px 8px 14px; }

.smab-wa-signup__chip > svg:first-child {
    color: #25D366;
    flex-shrink: 0;
}

.smab-wa-signup__chip:hover {
    border-color: #25D366;
    background: #fff;
    color: var(--smab-ink);
    transform: translateY(-1px);
    box-shadow: var(--smab-shadow);
}

.smab-wa-signup__chip[aria-expanded="true"] {
    border-color: #25D366;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(37, 211, 102, 0.12);
}

.smab-wa-signup__chip-chev {
    color: var(--smab-ink-muted);
    transition: transform var(--smab-dur) var(--smab-ease);
    flex-shrink: 0;
}
.smab-wa-signup__chip[aria-expanded="true"] .smab-wa-signup__chip-chev {
    transform: rotate(180deg);
}

.smab-wa-signup__pop {
    position: absolute;
    top: calc(100% + 10px);
    inset-inline-start: 0;
    width: 280px;
    max-width: calc(100vw - 32px);
    background: var(--smab-cream-soft);
    border: 1px solid var(--smab-line);
    border-radius: var(--smab-radius-lg);
    box-shadow: var(--smab-shadow-xl);
    padding: var(--smab-s-5) var(--smab-s-4) var(--smab-s-4);
    z-index: 50;
    overflow: hidden;
    text-align: center;
    animation: smab-wa-pop 220ms var(--smab-ease) both;
}
@keyframes smab-wa-pop {
    from { opacity: 0; transform: translateY(-6px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.smab-wa-signup__pop::before {
    content: '';
    position: absolute;
    top: 0;
    inset-inline-start: 0;
    inset-inline-end: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--smab-burgundy), var(--smab-gold-leaf));
}

.smab-wa-signup__close {
    position: absolute;
    top: 8px;
    inset-inline-end: 8px;
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    background: transparent;
    border: 0;
    border-radius: 50%;
    color: var(--smab-ink-muted);
    cursor: pointer;
    transition: all var(--smab-dur-fast) var(--smab-ease);
}
.smab-wa-signup__close:hover {
    background: var(--smab-parchment);
    color: var(--smab-ink);
}

.smab-wa-signup__eyebrow {
    font-family: var(--smab-font-body);
    font-size: var(--smab-fs-xs);
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--smab-brown);
    margin: 0 0 var(--smab-s-2);
}
[dir="rtl"] .smab-wa-signup__eyebrow {
    letter-spacing: 0.04em;
    text-transform: none;
}

.smab-wa-signup__title {
    font-family: var(--smab-font-display);
    font-size: var(--smab-fs-lg);
    font-weight: 700;
    color: var(--smab-burgundy-dark);
    margin: 0 0 var(--smab-s-2);
    line-height: 1.2;
    letter-spacing: -0.01em;
}
[dir="rtl"] .smab-wa-signup__title { letter-spacing: 0; }

.smab-wa-signup__body {
    font-size: var(--smab-fs-xs);
    color: var(--smab-ink-soft);
    line-height: 1.55;
    margin: 0 0 var(--smab-s-4);
}
[dir="rtl"] .smab-wa-signup__body { font-size: var(--smab-fs-sm); }

.smab-wa-signup__qr {
    display: grid;
    place-items: center;
    width: 180px;
    height: 180px;
    margin: 0 auto var(--smab-s-3);
    background: #fff;
    border-radius: var(--smab-radius);
    padding: var(--smab-s-2);
    box-shadow:
        0 1px 2px rgba(75, 30, 25, 0.06),
        inset 0 0 0 1px var(--smab-line-soft);
}
.smab-wa-signup__qr img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.smab-wa-signup__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px var(--smab-s-4);
    width: 100%;
    box-sizing: border-box;
    font-family: var(--smab-font-body);
    font-size: var(--smab-fs-sm);
    font-weight: 600;
    color: #fff;
    background: #25D366;
    text-decoration: none;
    border-radius: var(--smab-radius);
    transition: all var(--smab-dur) var(--smab-ease);
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.25);
}
.smab-wa-signup__cta:hover {
    background: #1FAB54;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.35);
}
.smab-wa-signup__num {
    opacity: 0.85;
    font-weight: 400;
    font-size: var(--smab-fs-xs);
}

@media (max-width: 380px) {
    .smab-wa-signup__pop {
        inset-inline-start: 50%;
        transform: translateX(-50%);
    }
    [dir="rtl"] .smab-wa-signup__pop {
        transform: translateX(50%);
    }
}

/* When the chip lives inside the login-wall modal, the popover overflows the
   card otherwise — anchor it centered to the chip and lift it above the card. */
.smab-login-modal .smab-wa-signup__pop {
    inset-inline-start: 50%;
    transform: translateX(-50%);
    z-index: 60;
}
[dir="rtl"] .smab-login-modal .smab-wa-signup__pop {
    transform: translateX(50%);
}

/* ==========================================================================
   2. LOGIN-WALL MODAL
   --------------------------------------------------------------------------
   Shown when a guest clicks "Sign in to apply" on a service card. Mirrors
   placement 3 from the WhatsApp preview design (lock icon, sign-in button,
   "or" divider, WhatsApp chip).
   ========================================================================== */
.smab-login-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--smab-s-4);
    background: rgba(43, 24, 16, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: smab-login-modal-fade 200ms var(--smab-ease) both;
}
.smab-login-modal.is-open { display: flex; }

@keyframes smab-login-modal-fade {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.smab-login-modal__card {
    position: relative;
    width: 100%;
    max-width: 480px;
    padding: var(--smab-s-7) var(--smab-s-6);
    background: var(--smab-cream-soft);
    border: 1px solid var(--smab-line);
    border-radius: var(--smab-radius-lg);
    box-shadow: var(--smab-shadow-xl);
    text-align: center;
    animation: smab-login-modal-rise 260ms var(--smab-ease) both;
}
@keyframes smab-login-modal-rise {
    from { opacity: 0; transform: translateY(12px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.smab-login-modal__close {
    position: absolute;
    top: 12px;
    inset-inline-end: 12px;
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    background: transparent;
    border: 0;
    border-radius: 50%;
    color: var(--smab-ink-muted);
    cursor: pointer;
    transition: all var(--smab-dur-fast) var(--smab-ease);
}
.smab-login-modal__close:hover {
    background: var(--smab-parchment);
    color: var(--smab-ink);
}

.smab-login-modal__icon {
    display: inline-grid;
    place-items: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--smab-s-4);
    background: var(--smab-parchment);
    color: var(--smab-brown);
    border-radius: 50%;
    border: 1px solid var(--smab-line);
}

.smab-login-modal__title {
    font-family: var(--smab-font-display);
    font-size: var(--smab-fs-xl);
    font-weight: 700;
    color: var(--smab-burgundy-dark);
    margin: 0 0 var(--smab-s-3);
    letter-spacing: -0.01em;
}
[dir="rtl"] .smab-login-modal__title { letter-spacing: 0; }

.smab-login-modal__body {
    font-size: var(--smab-fs-sm);
    color: var(--smab-ink-soft);
    line-height: 1.6;
    margin: 0 0 var(--smab-s-5);
}

.smab-login-modal__btn {
    display: inline-block;
    padding: 12px 28px;
    background: var(--smab-burgundy);
    color: #fff;
    font-family: var(--smab-font-body);
    font-weight: 600;
    font-size: var(--smab-fs-sm);
    border-radius: var(--smab-radius);
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(139, 35, 50, 0.2);
    margin-bottom: var(--smab-s-5);
    transition: all var(--smab-dur) var(--smab-ease);
}
.smab-login-modal__btn:hover {
    background: var(--smab-burgundy-deep);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(139, 35, 50, 0.28);
    color: #fff;
}

.smab-login-modal__divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 var(--smab-s-4);
    color: var(--smab-ink-muted);
    font-size: 11px;
    font-family: var(--smab-font-body);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
[dir="rtl"] .smab-login-modal__divider {
    letter-spacing: 0.04em;
    text-transform: none;
    font-size: var(--smab-fs-xs);
}
.smab-login-modal__divider::before,
.smab-login-modal__divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--smab-line);
}

/* Prevent body scroll while the modal is open */
body.smab-login-modal-open {
    overflow: hidden;
}

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    .smab-wa-signup__pop,
    .smab-wa-signup__chip,
    .smab-wa-signup__chip-chev,
    .smab-login-modal,
    .smab-login-modal__card {
        animation: none !important;
        transition: none !important;
    }
}