/*
 * CanalClear — Shared Mobile Responsiveness
 * Injected into all pages via <link rel="stylesheet" href="/css/mobile.css">
 */

/* ── Hamburger Button ─────────────────────────────────────────────── */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid rgba(232, 90, 0, 0.35);
    border-radius: 8px;
    cursor: pointer;
    padding: 8px;
    gap: 5px;
    flex-shrink: 0;
    z-index: 9999;
}
.hamburger-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: #E85A00;
    border-radius: 2px;
    transition: all 0.25s ease;
    transform-origin: center;
}
.hamburger-btn.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.hamburger-btn.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile Nav Overlay ───────────────────────────────────────────── */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 62px; /* start below nav, so hamburger stays clickable */
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 45, 74, 0.98);
    z-index: 9000;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 1rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border-top: 2px solid #E85A00;
}

/* Nav stays above overlay */
nav {
    z-index: 9999 !important;
}
.mobile-nav-overlay.open {
    display: flex;
}
.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    width: 100%;
    max-width: 320px;
}
.mobile-nav-links a {
    display: block;
    width: 100%;
    text-align: center;
    padding: 1rem 1.5rem;
    color: #C4D0DC;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    font-family: 'IBM Plex Sans', 'DM Sans', sans-serif;
    border-bottom: 1px solid rgba(136, 153, 170, 0.1);
    transition: color 0.15s;
}
.mobile-nav-links a:first-child {
    border-top: 1px solid rgba(136, 153, 170, 0.1);
}
.mobile-nav-links a:hover,
.mobile-nav-links a:active {
    color: #FF8533;
    background: rgba(232, 90, 0, 0.08);
}
.mobile-nav-links a.mobile-cta {
    background: #E85A00;
    color: #ffffff;
    font-weight: 700;
    border-radius: 10px;
    margin-top: 1.5rem;
    border: none;
    padding: 0.9rem 2rem;
}
.mobile-nav-links a.mobile-cta:hover {
    background: #CC4F00;
    color: #ffffff;
}

/* ── Hide desktop nav links on mobile ────────────────────────────── */
@media (max-width: 768px) {
    .hamburger-btn {
        display: flex !important;
    }
    /* Hide nav link <a> elements — show only critical UI (bell, logout) */
    .nav-links > a,
    .nav-links-inline > a {
        display: none !important;
    }
    /* Also hide nav-links-inline container's non-essential items */
    .nav-links-inline {
        display: none !important;
    }
    /* Keep nav-links container itself but compact it (only bell + logout remain) */
    .nav-links {
        gap: 0.25rem !important;
        align-items: center;
    }
    /* Hide admin nav link (always hidden anyway) */
    #admin-nav-link {
        display: none !important;
    }
    /* Hide vessel chip on mobile */
    #vessel-count-chip {
        display: none !important;
    }
    nav {
        padding: 0.85rem 1.25rem !important;
    }
}

/* ── Common Mobile Layout Fixes ──────────────────────────────────── */
@media (max-width: 768px) {
    /* Typography */
    body {
        font-size: 16px;
    }

    /* Prevent horizontal overflow globally */
    html, body {
        overflow-x: hidden;
        max-width: 100vw;
    }

    /* Prevent iOS auto-zoom on form inputs (must be ≥16px) */
    input, select, textarea {
        font-size: 16px !important;
    }

    /* Nav overflow prevention — ensure nav-inner never overflows */
    nav .nav-inner,
    .funnel-nav {
        flex-wrap: nowrap;
        min-width: 0; /* allow shrinking */
    }

    /* Canal selector — stack on mobile */
    .canal-selector {
        flex-direction: column !important;
        gap: 0.75rem !important;
    }

    /* Logout / action buttons in nav — keep visible on mobile (touch targets) */
    #logout-btn {
        min-height: 44px !important;
    }

    /* Notification bell — keep visible on mobile, 44px tap target */
    .notif-bell-btn {
        min-width: 44px !important;
        min-height: 44px !important;
    }

    /* Sections */
    section, .section {
        padding-left: 1.25rem !important;
        padding-right: 1.25rem !important;
    }

    /* Grids → single column */
    .grid-2,
    .grid-3,
    .grid-4,
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns: repeat(2"],
    [style*="grid-template-columns: repeat(3"],
    [style*="grid-template-columns: repeat(4"] {
        grid-template-columns: 1fr !important;
    }

    /* Tables → scrollable */
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        max-width: 100%;
    }

    /* Buttons — minimum 44px tap target */
    button, .btn, [role="button"],
    a[style*="border-radius"][style*="padding"] {
        min-height: 44px;
    }

    /* Images */
    img {
        max-width: 100%;
        height: auto;
    }

    /* Modals */
    .modal-content, .modal-box, .modal-panel, [class*="modal"] {
        width: 95vw !important;
        max-width: 95vw !important;
        margin: 0 auto;
    }

    /* ── Tabs — horizontal scroll on overflow ────────────────────── */
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        flex-wrap: nowrap;
    }
    .tabs::-webkit-scrollbar { display: none; }
    .tab {
        flex-shrink: 0;
        white-space: nowrap;
        padding: 0.65rem 1rem;
        font-size: 0.85rem;
    }

    /* ── Notification / dropdown panels — cap width ──────────────── */
    .notif-panel {
        width: calc(100vw - 2rem) !important;
        max-width: 340px;
        right: -0.5rem !important;
    }

    /* ── Savings strip / banner — wrap items ─────────────────────── */
    .savings-strip,
    .savings-banner {
        flex-wrap: wrap;
        gap: 1rem !important;
        padding: 1rem !important;
    }
    .strip-stat, .savings-stat {
        flex: 1 1 40%;
        text-align: center;
    }

    /* ── Hero CTA rows with nowrap buttons — allow stacking ─────── */
    .hero-cta-row,
    [style*="display:flex"][style*="flex-wrap:wrap"],
    [style*="display: flex"][style*="flex-wrap: wrap"] {
        flex-direction: column;
        align-items: stretch !important;
    }

    /* ── App stats bar — 2-col on mobile ─────────────────────────── */
    .stats-bar {
        grid-template-columns: 1fr 1fr !important;
        gap: 0.75rem !important;
    }

    /* ── Pricing & plan card fixes ────────────────────────────────── */
    .pricing-grid,
    .plans-grid {
        grid-template-columns: 1fr !important;
    }

    /* ── Canal columns layout ─────────────────────────────────────── */
    .canal-columns,
    .hp-canal-columns {
        grid-template-columns: 1fr !important;
    }
    .canal-column.best-value,
    .hp-canal-column.best-value {
        transform: none !important;
    }

    /* ── Form actions row — wrap on small screens ─────────────────── */
    .form-actions {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    /* ── Demo page sticky CTA ─────────────────────────────────────── */
    .sticky-cta {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .sticky-cta a {
        flex: 1;
        text-align: center;
        min-width: 120px;
    }
    .sticky-cta-text .sticky-cta-sub { display: none; }
}

@media (max-width: 480px) {
    section, .section {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }

    /* Stats bar → single column on very small screens */
    .stats-bar {
        grid-template-columns: 1fr 1fr !important;
    }

    /* Reduce stat card size */
    .stat-card {
        padding: 1rem !important;
    }
    .stat-card .value {
        font-size: 1.4rem !important;
    }
}

/* ── 375px specific fixes ─────────────────────────────────────────── */
@media (max-width: 390px) {
    /* Tab labels even smaller */
    .tab { font-size: 0.78rem; padding: 0.6rem 0.75rem; }

    /* Strip stats single column */
    .strip-stat, .savings-stat { flex: 1 1 100%; }

    /* Plan badges — prevent overflow */
    .plan-badge {
        font-size: 0.65rem !important;
        white-space: nowrap;
    }

    /* ── Button text truncation fixes ────────────────────────────────── */
    /* Nav CTA button — reduce padding and font size on ultra-small screens */
    .nav-cta {
        padding: 0.5rem 0.9rem !important;
        font-size: 0.85rem !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex-shrink: 1;
    }

    /* Submit buttons — ensure full visibility */
    button[type="submit"],
    .btn-primary,
    .btn-outline,
    .btn-ghost,
    .price-cta {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        min-width: 0;
        flex-shrink: 1;
    }

    /* ── Fleet dashboard — vessel table responsive ──────────────────────── */
    table thead th {
        font-size: 0.7rem;
        padding: 0.6rem 0.75rem;
    }
    table tbody td {
        font-size: 0.85rem;
        padding: 0.75rem;
    }

    /* ── Calculator — input fields responsive ──────────────────────────── */
    .field input[type="number"],
    .field input[type="text"],
    .field select {
        font-size: 16px !important; /* prevent iOS zoom on focus */
        min-height: 44px;
    }

    /* ── Form actions — full-width buttons on mobile ──────────────────── */
    .form-actions button,
    .form-actions .btn,
    .modal-footer button {
        width: 100% !important;
        text-align: center;
    }

    /* ── Vessel cards / dashboard panels ──────────────────────────────── */
    .vessel-card,
    .dashboard-card,
    .panel {
        padding: 1rem !important;
    }

    /* ── Text truncation — prevent overflow on labels ─────────────────── */
    label {
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }

    /* ── Sticky headers / footers — mobile safe ──────────────────────── */
    .sticky-header,
    .sticky-footer {
        position: relative !important;
        top: auto !important;
    }

    /* ── Validation error messages — stack properly ────────────────────── */
    .error-msg,
    .form-error,
    [role="alert"] {
        margin-bottom: 1rem;
        padding: 0.85rem 1rem;
        font-size: 0.85rem;
        width: 100%;
    }

    /* ── Demo page compliance gauge — scale on mobile ──────────────────── */
    .compliance-gauge,
    .score-circle,
    [class*="score"] {
        width: 100px !important;
        height: 100px !important;
        font-size: 2rem !important;
    }

    /* ── Authority portals cards — stack properly ────────────────────── */
    .portal-card,
    .authority-card {
        margin-bottom: 1rem;
    }

    /* ── Modals — ensure they don't overflow ────────────────────────── */
    .modal-content,
    .modal {
        padding: 1.25rem !important;
        border-radius: 12px !important;
    }

    /* ── Prevent text from being too small on ultra-small screens ──────── */
    body { font-size: 15px; }
    p, .text, span { font-size: 14px; }
    h3, h4 { font-size: 1.1rem; }
    h2 { font-size: 1.4rem; }
}

/* ── iPad (768px) specific adjustments ────────────────────────────────── */
@media (min-width: 481px) and (max-width: 900px) {
    /* Tablet optimizations — use 2-column grids where applicable */
    .grid-4,
    .grid-3 {
        grid-template-columns: 1fr 1fr !important;
    }

    /* Stats bar — 2 columns on tablet */
    .stats-bar {
        grid-template-columns: 1fr 1fr !important;
    }

    /* Pricing — 2 columns on tablet */
    .pricing-grid,
    .canal-columns {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    /* Vessel table — horizontal scroll still works */
    table {
        font-size: 0.9rem;
    }

    /* Form grid — 2 columns on tablet */
    .form-grid {
        grid-template-columns: 1fr 1fr !important;
    }

    /* Compliance score gauge — scale on tablet */
    .compliance-gauge,
    .score-circle {
        width: 120px !important;
        height: 120px !important;
        font-size: 2.2rem !important;
    }
}

/* ── Specific page fixes ─────────────────────────────────────────────── */

/* Fleet dashboard — responsive vessel grid */
.vessel-grid,
.vessel-cards {
    grid-template-columns: 1fr !important;
    gap: 1rem;
}

@media (min-width: 481px) {
    .vessel-grid,
    .vessel-cards {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (min-width: 900px) {
    .vessel-grid,
    .vessel-cards {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

/* ── Nav bar visibility on mobile — priority items only ────────────────── */
@media (max-width: 640px) {
    nav .logo-text,
    nav .nav-company-name {
        max-width: 120px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* Ensure search bar doesn't overflow fleet page */
    .search-bar {
        min-width: 160px !important;
        width: calc(100% - 1rem);
        max-width: 200px;
    }
}

/* ── Demo page specific fixes ────────────────────────────────────────── */
.demo-form,
.filing-form {
    margin: 0;
    padding: 1.5rem 1rem;
}

.demo-form .form-row,
.filing-form .form-row {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.demo-form .form-row.two-col,
.filing-form .form-row.two-col {
    flex-direction: row;
    gap: 1rem;
}

.demo-form .form-row.two-col > *,
.filing-form .form-row.two-col > * {
    flex: 1;
    min-width: 0;
}

@media (max-width: 640px) {
    .demo-form .form-row.two-col,
    .filing-form .form-row.two-col {
        flex-direction: column;
        gap: 0.75rem;
    }

    .demo-form .form-row.two-col > *,
    .filing-form .form-row.two-col > * {
        flex: 1 1 100%;
    }
}

/* ── Compliance score display — mobile friendly ──────────────────────── */
.compliance-result,
.score-display {
    text-align: center;
    padding: 1.5rem 1rem;
}

/* ── Authority portals — responsive card layout ──────────────────────── */
.portal-grid,
.authority-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem;
}

@media (min-width: 481px) {
    .portal-grid,
    .authority-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (min-width: 900px) {
    .portal-grid,
    .authority-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

/* ── Hero text overflow prevention ───────────────────────────────────── */
.hero h1,
.hero h2 {
    word-break: break-word;
    overflow-wrap: break-word;
}

/* ── CTA buttons — full width on mobile ──────────────────────────────── */
.sticky-cta a,
.hero-cta,
.primary-cta {
    display: block;
    width: 100%;
    text-align: center;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 641px) {
    .sticky-cta a,
    .hero-cta,
    .primary-cta {
        display: inline-flex;
        width: auto;
    }
}