/* Explain: Base styles for various UI components and layout elements. */
.mega-panel {
    position: absolute;
    top: 100%;
    inset-inline-start: 50%;
    z-index: 80;
    width: min(34rem, calc(100vw - 2rem));
    padding-top: 0.75rem;
    transform: translateX(50%);
}

[dir="ltr"] .mega-panel {
    transform: translateX(-50%);
}

.mega-panel__inner {
    display: grid;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 1px solid var(--luxury-border);
    border-radius: 1.25rem;
    background: color-mix(in srgb, var(--luxury-card) 96%, transparent);
    box-shadow: 0 24px 70px color-mix(in srgb, var(--luxury-background) 55%, transparent);
}

.luxury-hero {
    position: relative;
    overflow: hidden;
    color: var(--luxury-text);
    background:
        radial-gradient(circle at 12% 18%, color-mix(in srgb, var(--primary-color) 22%, transparent), transparent 31%),
        radial-gradient(circle at 90% 80%, color-mix(in srgb, var(--primary-color) 12%, transparent), transparent 28%),
        var(--luxury-background);
}

.luxury-hero::before,
.platform-showcase::before {
    position: absolute;
    inset: 0;
    content: "";
    pointer-events: none;
    background-image:
        linear-gradient(color-mix(in srgb, var(--primary-color) 8%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--primary-color) 8%, transparent) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.luxury-hero__grid {
    position: relative;
    z-index: 1;
    display: grid;
    min-height: 44rem;
    align-items: center;
    gap: 3rem;
    padding-block: clamp(4rem, 10vw, 7.5rem);
}

.luxury-hero__eyebrow {
    display: inline-flex;
    min-height: 2.5rem;
    align-items: center;
    gap: 0.65rem;
    padding-inline: 1rem;
    border: 1px solid color-mix(in srgb, var(--primary-color) 35%, var(--luxury-border));
    border-radius: 999px;
    color: var(--primary-color);
    background: color-mix(in srgb, var(--primary-color) 9%, transparent);
    font-size: 0.82rem;
    font-weight: 800;
}

.luxury-hero__media {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--luxury-border);
    border-radius: 2rem;
    background: var(--luxury-card);
    box-shadow: 0 34px 90px color-mix(in srgb, var(--luxury-background) 65%, transparent);
    height: max-content;
    display: flex;
    align-items: center;
    justify-content: center;
}

.luxury-hero__media::after {
    position: absolute;
    inset: 0;
    content: "";
    pointer-events: none;
}

.luxury-hero__media img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

.luxury-hero__trust {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
    border: 1px solid color-mix(in srgb, var(--primary-color) 25%, var(--luxury-border));
    border-radius: 1rem;
    color: var(--luxury-text);
    background: color-mix(in srgb, var(--luxury-card) 88%, transparent);
    backdrop-filter: blur(12px);
}

.platform-showcase {
    position: relative;
    overflow: hidden;
    padding-block: clamp(4.5rem, 9vw, 7rem);
    color: var(--luxury-text);
    background: var(--luxury-background);
}

.platform-card {
    position: relative;
    display: flex;
    height: 100%;
    min-height: 18rem;
    flex-direction: column;
    padding: 1.5rem;
    overflow: hidden;
    border: 1px solid var(--luxury-border);
    border-radius: 1.5rem;
    color: var(--luxury-text);
    background: var(--luxury-card);
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.platform-card:hover {
    border-color: color-mix(in srgb, var(--primary-color) 48%, var(--luxury-border));
    transform: translateY(-5px);
    box-shadow: 0 24px 55px color-mix(in srgb, var(--luxury-background) 65%, transparent);
}

.platform-card--featured {
    border-color: color-mix(in srgb, var(--primary-color) 55%, var(--luxury-border));
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--primary-color) 12%, var(--luxury-card)), var(--luxury-card));
}

.platform-card__icon {
    display: grid;
    width: 3.5rem;
    height: 3.5rem;
    margin-bottom: 1.5rem;
    place-items: center;
    border: 1px solid color-mix(in srgb, var(--primary-color) 30%, var(--luxury-border));
    border-radius: 1rem;
    color: var(--primary-color);
    background: color-mix(in srgb, var(--primary-color) 9%, var(--luxury-card));
    font-size: 1.35rem;
}

.platform-card p {
    color: var(--luxury-muted);
}

.platform-card__link {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    color: var(--primary-color);
    font-weight: 800;
}

/* Messenger-style group chat */
.messenger-page {
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    color: #f5f7fb;
    background: #111318;
}

.messenger-shell {
    display: grid;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    grid-template-columns: 20rem minmax(0, 1fr);
    background: #111318;
}

.messenger-sidebar {
    display: flex;
    min-height: 100vh;
    min-height: 100dvh;
    flex-direction: column;
    padding: 1rem;
    border-inline-end: 1px solid #2a2d35;
    background: #181a20;
}

.messenger-chat {
    display: grid;
    min-width: 0;
    min-height: 100vh;
    min-height: 100dvh;
    grid-template-rows: auto 1fr auto;
    background:
        radial-gradient(circle at 40% 10%, rgba(0, 132, 255, 0.08), transparent 32%),
        #111318;
}

.messenger-topbar {
    display: flex;
    min-height: 4.5rem;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #2a2d35;
    background: rgba(24, 26, 32, 0.96);
    backdrop-filter: blur(14px);
}

.messenger-avatar {
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 999px;
    color: white;
    background: linear-gradient(135deg, #0084ff, #7f5af0);
}

.messenger-room-button {
    display: flex;
    width: 100%;
    min-height: 3.25rem;
    align-items: center;
    gap: 0.75rem;
    padding-inline: 0.9rem;
    border-radius: 0.9rem;
    color: #aeb3c0;
    font-weight: 700;
    text-align: start;
    transition: 0.2s ease;
}

.messenger-room-button:hover,
.messenger-room-button.is-active {
    color: white;
    background: #252830;
}

.messenger-room-button.is-active i {
    color: #0084ff;
}

.messenger-messages {
    display: flex;
    min-height: 0;
    flex-direction: column;
    gap: 0.7rem;
    padding: 1rem clamp(0.75rem, 3vw, 2rem);
    overflow-y: auto;
    overscroll-behavior: contain;
}

.messenger-bubble-row {
    display: flex;
    width: 100%;
    align-items: flex-end;
    gap: 0.5rem;
}

.messenger-bubble-row.is-mine {
    justify-content: flex-start;
}

.messenger-bubble {
    width: fit-content;
    max-width: min(78%, 36rem);
    padding: 0.72rem 0.95rem;
    border-radius: 1.15rem;
    color: #f7f8fb;
    background: #30333b;
    line-height: 1.7;
    overflow-wrap: anywhere;
    box-shadow: 0 7px 20px rgba(0, 0, 0, 0.12);
}

.messenger-bubble-row.is-mine .messenger-bubble {
    background: #0084ff;
}

.messenger-bubble__name {
    display: block;
    margin-bottom: 0.2rem;
    color: #67b8ff;
    font-size: 0.72rem;
    font-weight: 800;
}

.messenger-bubble-row.is-mine .messenger-bubble__name {
    color: rgba(255, 255, 255, 0.78);
}

.messenger-bubble__time {
    display: block;
    margin-top: 0.3rem;
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.62rem;
}

.messenger-bubble img {
    display: block;
    width: min(18rem, 100%);
    margin-top: 0.5rem;
    border-radius: 0.8rem;
}

.messenger-bubble audio {
    width: min(18rem, 100%);
    margin-top: 0.45rem;
}

.messenger-composer {
    padding: 0.75rem 1rem max(0.75rem, env(safe-area-inset-bottom));
    border-top: 1px solid #2a2d35;
    background: #181a20;
}

.messenger-composer__form {
    display: grid;
    grid-template-columns: 2.75rem 2.75rem minmax(0, 1fr) 2.75rem;
    gap: 0.45rem;
    align-items: center;
    max-width: 58rem;
    margin-inline: auto;
}

.messenger-composer__input {
    min-height: 2.75rem;
    padding: 0.7rem 1rem;
    border: 1px solid transparent;
    border-radius: 999px;
    outline: none;
    color: white;
    background: #30333b;
}

.messenger-composer__input:focus {
    border-color: #0084ff;
}

.messenger-round-button {
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    place-items: center;
    border-radius: 999px;
    color: #0084ff;
    background: #252830;
}

.messenger-round-button--send {
    color: white;
    background: #0084ff;
}

.messenger-empty {
    margin: auto;
    padding: 2rem;
    color: #858b98;
    text-align: center;
}

/* Swiper Customizations */
.swiper-pagination-bullet {
    background: #a1a1aa;
    opacity: 0.6;
}
.swiper-pagination-bullet-active {
    background: var(--primary-color) !important;
    opacity: 1;
    transform: scale(1.2);
}
.swiper-button-next, .swiper-button-prev {
    color: var(--primary-color) !important;
}

/* School */
.school-hero,
.secure-hero,
.recovery-hero {
    position: relative;
    overflow: hidden;
    padding-block: clamp(5rem, 11vw, 8rem);
    color: var(--luxury-text);
    background:
        radial-gradient(circle at 15% 20%, color-mix(in srgb, var(--primary-color) 20%, transparent), transparent 30%),
        var(--luxury-background);
}

@keyframes fastSlideUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.school-shelf {
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    background: var(--surface-color);
    box-shadow: 0 18px 45px color-mix(in srgb, var(--secondary-color) 8%, transparent);
    will-change: transform, opacity;
}

.school-shelf:not(.hidden),
.school-chat-shell:not(.hidden) {
    animation: fastSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.school-shelf-button {
    display: flex;
    min-height: 3.2rem;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.7rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.9rem;
    color: var(--text-color);
    background: var(--surface-color);
    font-weight: 800;
    text-align: center;
    transition: 0.22s ease;
}

.school-shelf-button:hover,
.school-shelf-button.is-active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: color-mix(in srgb, var(--primary-color) 8%, var(--surface-color));
}

.school-subject-button {
    align-items: flex-start;
    justify-content: flex-start;
    text-align: start;
}

.school-chat-shell {
    display: grid;
    height: calc(100dvh - 5rem);
    grid-template-rows: auto 1fr auto;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    background: var(--surface-color);
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
}

.school-chat-messages {
    display: flex;
    min-height: 0;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
    overflow-y: auto;
    background: var(--surface-muted);
}

.school-chat-message {
    max-width: 82%;
    padding: 0.85rem 1rem;
    border-radius: 1rem;
    white-space: pre-wrap;
    line-height: 1.8;
}

.school-chat-message.is-teacher {
    align-self: flex-start;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    background: var(--surface-color);
}

.school-chat-message.is-student {
    align-self: flex-end;
    color: white;
    background: var(--primary-color);
}

/* Secure systems */
.secure-card,
.recovery-card,
.admin-system-card {
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    background: var(--surface-color);
    box-shadow: 0 20px 55px color-mix(in srgb, var(--secondary-color) 8%, transparent);
}

.hotline-box {
    position: sticky;
    bottom: 1rem;
    z-index: 35;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: min(calc(100% - 2rem), 56rem);
    margin: 1.5rem auto;
    padding: 1rem 1.25rem;
    border: 1px solid color-mix(in srgb, var(--primary-color) 40%, var(--luxury-border));
    border-radius: 1.1rem;
    color: white;
    background: color-mix(in srgb, var(--luxury-card) 96%, transparent);
    box-shadow: 0 18px 55px color-mix(in srgb, var(--luxury-background) 55%, transparent);
    backdrop-filter: blur(14px);
}

.recovery-platform-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.recovery-platform-button {
    display: flex;
    min-height: 4.5rem;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    color: var(--text-color);
    background: var(--surface-color);
    font-weight: 800;
    text-align: start;
}

.recovery-platform-button:hover,
.recovery-platform-button.is-active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: color-mix(in srgb, var(--primary-color) 7%, var(--surface-color));
}

.secure-result {
    padding: 1.25rem;
    border: 1px solid color-mix(in srgb, var(--success-color) 28%, var(--border-color));
    border-radius: 1rem;
    color: var(--text-color);
    background: color-mix(in srgb, var(--success-color) 6%, var(--surface-color));
    line-height: 1.9;
    white-space: pre-wrap;
}

@media (min-width: 768px) {
    .recovery-platform-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .luxury-hero__grid {
        grid-template-columns: 1.02fr 0.98fr;
    }
}

@media (max-width: 900px) {
    .messenger-sidebar {
        display: none;
    }
}

@media (max-width: 640px) {
    .luxury-hero__grid {
        min-height: auto;
    }

    .platform-card {
        min-height: 15rem;
    }

    .messenger-topbar {
        min-height: 4rem;
    }

    .messenger-bubble {
        max-width: 88%;
    }

    .messenger-composer {
        padding-inline: 0.6rem;
    }

    .messenger-composer__form {
        grid-template-columns: 2.6rem minmax(0, 1fr) 2.6rem;
    }

    .messenger-composer__form .messenger-image-action {
        display: none;
    }

    .hotline-box {
        position: relative;
        bottom: auto;
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
}

/* WhatsApp connect / chat state containers */
.wa-state {
    display: flex;
    flex: 1 1 0%;
    min-height: 0;
    flex-direction: column;
}

.wa-state--hidden {
    display: none !important;
}

/* Footer world map */
.footer-map-pin {
    position: relative;
}

.footer-map-dot {
    position: absolute;
    inset: 0;
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: var(--pin, #06b6d4);
    animation: footerMapPulse 2.2s infinite;
}

.footer-map-label {
    position: absolute;
    inset-inline-start: 16px;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    font-size: 11px;
    font-weight: 800;
    color: #ffffff;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.95);
    pointer-events: none;
}

@keyframes footerMapPulse {
    0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--pin, #06b6d4) 70%, transparent); }
    70% { box-shadow: 0 0 0 12px transparent; }
    100% { box-shadow: 0 0 0 0 transparent; }
}

.leaflet-container {
    background: var(--luxury-card) !important;
    font-family: var(--font-body);
}