/* ============================================
   KOKOTOA MAKATO - STYLESHEET
   ============================================ */

/* ---------- CSS Variables (Light Mode) ---------- */
:root {
    --bg: #f0f4f8;
    --surface: #ffffff;
    --text: #0f172a;
    --text-secondary: #64748b;
    --primary: #0ea5e9;
    --primary-light: #e0f2fe;
    --primary-dark: #0284c7;
    --border: #cbd5e1;
    --shadow: rgba(15, 23, 42, 0.06);
    --shadow-lg: rgba(15, 23, 42, 0.1);
    --fee: #dc2626;
    --success: #059669;
    --header-bg: #ffffff;
    --card-bg: #ffffff;
    --input-bg: #f8fafc;
    --table-header: #f1f5f9;
    --table-border: #e2e8f0;
    --toggle-bg: #e2e8f0;
    --toggle-knob: #ffffff;
    --advice-bg: #ecfdf5;
    --advice-border: #059669;
    --advice-best-bg: #eff6ff;
    --advice-best-border: #0ea5e9;
    --highlight-row: #f0f9ff;
    --top-bar-height: 92px;
    --edge-accent: #0ea5e9;
    --lipa-primary: #059669;
    --lipa-light: #d1fae5;
    --lipa-dark: #047857;
    --agent-fee: #d97706;
    --success-amount: #059669;
}

/* ---------- Dark Mode Variables ---------- */
[data-theme="dark"] {
    --bg: #020617;
    --surface: #0f172a;
    --text: #f8fafc;
    --text-secondary: #94a3b8;
    --primary: #38bdf8;
    --primary-light: #0c4a6e;
    --primary-dark: #7dd3fc;
    --border: #475569;
    --shadow: rgba(0, 0, 0, 0.5);
    --shadow-lg: rgba(0, 0, 0, 0.6);
    --fee: #f87171;
    --success: #34d399;
    --header-bg: #0f172a;
    --card-bg: #1e293b;
    --input-bg: #334155;
    --table-header: #334155;
    --table-border: #64748b;
    --toggle-bg: #334155;
    --toggle-knob: #f8fafc;
    --advice-bg: #064e3b;
    --advice-border: #34d399;
    --advice-best-bg: #0c4a6e;
    --advice-best-border: #38bdf8;
    --highlight-row: #0c4a6e;
    --edge-accent: #38bdf8;
    --lipa-primary: #34d399;
    --lipa-light: #064e3b;
    --lipa-dark: #6ee7b7;
    --agent-fee: #fbbf24;
    --success-amount: #34d399;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background 0.3s ease, color 0.3s ease;
    min-height: 100vh;
}

/* ---------- Sticky Top Bar ---------- */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--header-bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 20px var(--shadow);
    height: var(--top-bar-height);
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    align-items: center;
}

.top-bar-inner {
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 0 32px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

/* Professional edge decorations */
.top-bar-edge {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 6px;
    background: linear-gradient(180deg, var(--edge-accent), var(--primary-dark));
    opacity: 0.85;
}

.top-bar-edge-left {
    left: 0;
    border-top-right-radius: 3px;
    border-bottom-right-radius: 3px;
}

.top-bar-edge-right {
    right: 0;
    border-top-left-radius: 3px;
    border-bottom-left-radius: 3px;
}

/* ---------- Brand / Logo + MAKATO ---------- */
.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.logo-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light), 0 4px 12px var(--shadow);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.logo-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.brand-name {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1.5px;
    line-height: 1;
    white-space: nowrap;
}

/* ---------- Center Marquee ---------- */
.marquee-container {
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    margin: 0 20px;
    min-width: 0;
}

.marquee-track {
    display: inline-flex;
    gap: 80px;
    animation: marqueeScroll 12s linear infinite;
}

.marquee-text {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-33.33%); }
}

/* ---------- Dark Mode Toggle ---------- */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    border-radius: 28px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
    flex-shrink: 0;
}

.theme-toggle:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 12px var(--shadow);
    transform: translateY(-1px);
}

.theme-toggle:active {
    transform: scale(0.97);
}

.theme-icon {
    font-size: 1.2rem;
    line-height: 1;
}

.theme-label {
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.75rem;
}

/* ---------- App Container ---------- */
.app-container {
    max-width: 960px;
    margin: 0 auto;
    padding: calc(var(--top-bar-height) + 32px) 20px 40px;
}

/* ---------- Cards ---------- */
.section-card {
    background: var(--card-bg);
    border-radius: 18px;
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: 0 4px 16px var(--shadow);
    border: 1px solid var(--border);
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    scroll-margin-top: calc(var(--top-bar-height) + 16px);
}

.section-header {
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
}

.section-header .subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ---------- Network Grid ---------- */
.network-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 14px;
}

.network-card {
    background: var(--input-bg);
    border: 2px solid var(--border);
    border-radius: 14px;
    padding: 18px 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
}

.network-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px var(--shadow-lg);
}

.network-card.active {
    border-color: var(--primary);
    background: var(--primary-light);
}

.network-card .net-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    margin: 0 auto 10px;
    object-fit: cover;
    border: 2px solid var(--border);
}

.network-card .net-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text);
}

/* ---------- Transaction Types ---------- */
.transaction-types {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.type-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--input-bg);
}

.type-option:hover {
    border-color: var(--primary);
}

.type-option.active {
    border-color: var(--primary);
    background: var(--primary-light);
}

.type-option.lipa-namba-option.active {
    border-color: var(--lipa-primary);
    background: var(--lipa-light);
}

.type-option.lipa-namba-option .type-icon svg {
    color: var(--lipa-primary);
}

.type-option input {
    display: none;
}

.type-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.3s ease;
}

.type-icon svg {
    width: 22px;
    height: 22px;
    color: var(--primary);
}

.type-text strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text);
}

.type-text small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* ---------- Form Elements ---------- */
.form-group {
    margin-bottom: 20px;
    scroll-margin-top: calc(var(--top-bar-height) + 16px);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.amount-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--input-bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 0 16px;
    transition: border-color 0.2s ease;
    min-width: 0;
    overflow: hidden;
}

.amount-input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

[data-theme="dark"] .amount-input-wrapper:focus-within {
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.25);
}

.amount-prefix {
    font-weight: 700;
    color: var(--primary);
    margin-right: 8px;
    font-size: 1rem;
    user-select: none;
}

.amount-input {
    flex: 1 1 auto;
    min-width: 0;
    border: none;
    background: transparent;
    padding: 14px 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    outline: none;
    font-family: inherit;
    overflow: hidden;
    text-overflow: ellipsis;
}

.amount-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

.error-message {
    color: var(--fee);
    font-size: 0.85rem;
    margin-top: 6px;
    display: none;
    font-weight: 500;
}

.error-message.show {
    display: block;
}

.quick-amounts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.quick-chip {
    padding: 8px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.quick-chip:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

/* ---------- Buttons ---------- */
.calculate-btn {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    background: var(--primary);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.2s ease;
    margin-top: 8px;
    font-family: inherit;
}

.calculate-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.3);
}

.calculate-btn:active {
    transform: translateY(0);
}

.secondary-btn {
    background: var(--success);
    margin-top: 4px;
    white-space: nowrap;
}

.secondary-btn:hover {
    background: #047857;
    box-shadow: 0 8px 24px rgba(5, 150, 105, 0.3);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

/* ---------- Results Section ---------- */
.results-section {
    display: none;
}

.results-section.show {
    display: block;
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-card {
    background: var(--card-bg);
    border-radius: 18px;
    padding: 28px;
    margin-bottom: 20px;
    box-shadow: 0 4px 16px var(--shadow);
    border: 1px solid var(--border);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.result-network {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
}

.result-network img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
}

.result-badge {
    background: var(--primary-light);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
}

.result-breakdown {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.breakdown-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    gap: 12px;
    flex-wrap: nowrap;
}

.breakdown-label {
    flex: 1 1 auto;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

.breakdown-value {
    flex: 0 0 auto;
    text-align: right;
    white-space: nowrap;
}

.breakdown-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.breakdown-value {
    font-weight: 700;
    color: var(--text);
}

.fee-value {
    color: var(--fee);
    font-size: 1.2rem;
}

.agent-fee-value {
    color: var(--agent-fee);
    font-size: 1.2rem;
    font-weight: 700;
}

.success-value {
    color: var(--success-amount);
    font-size: 1.2rem;
    font-weight: 700;
}

.lipa-namba-row {
    animation: fadeInUp 0.3s ease;
}

.lipa-namba-row .breakdown-label {
    color: var(--lipa-primary);
    font-weight: 600;
}

.total-value {
    color: var(--success);
    font-size: 1.3rem;
}

.breakdown-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

/* ---------- Advice Boxes ---------- */
.advice-box {
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 20px;
    display: none;
    align-items: flex-start;
    gap: 14px;
    transition: background 0.3s ease;
    animation: fadeInUp 0.4s ease;
}

.advice-box.show {
    display: flex;
}

.advice-box.advice-best {
    background: var(--advice-best-bg);
    border-left: 4px solid var(--advice-best-border);
}

.advice-box:not(.advice-best) {
    background: var(--advice-bg);
    border-left: 4px solid var(--advice-border);
}

.advice-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
    flex-shrink: 0;
}

.advice-best .advice-icon svg {
    color: var(--advice-best-border);
}

.advice-content h3 {
    font-size: 1rem;
    margin-bottom: 6px;
    color: var(--text);
}

.advice-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ---------- NA YA KUTOLEA ---------- */
.kutolea-card {
    background: linear-gradient(135deg, var(--card-bg), var(--input-bg));
}

.kutolea-btn {
    width: 100%;
    padding: 16px;
    border: 2px dashed var(--primary);
    border-radius: 12px;
    background: transparent;
    color: var(--primary);
    font-size: 1.05rem;
    font-weight: 800;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    font-family: inherit;
    letter-spacing: 0.5px;
}

.kutolea-btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.kutolea-btn svg {
    transition: transform 0.3s ease;
}

.kutolea-btn.open svg {
    transform: rotate(180deg);
}

.kutolea-panel {
    display: none;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    animation: fadeInUp 0.3s ease;
}

.kutolea-panel.show {
    display: block;
}

.kutolea-select {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    border: 2px solid var(--border);
    background: var(--input-bg);
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    font-weight: 600;
    outline: none;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.kutolea-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

[data-theme="dark"] .kutolea-select:focus {
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.25);
}

.kutolea-result {
    display: none;
    margin-top: 20px;
    padding: 20px;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--border);
    animation: fadeInUp 0.3s ease;
}

.kutolea-result.show {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* ---------- Share ---------- */
.share-section {
    margin-bottom: 20px;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #25d366;
    color: #ffffff;
    padding: 14px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.whatsapp-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ---------- Comparison Table ---------- */
.comparison-section {
    display: none;
}

.comparison-section.show {
    display: block;
    animation: fadeInUp 0.4s ease;
}

.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.table-wrapper::-webkit-scrollbar {
    height: 6px;
}

.table-wrapper::-webkit-scrollbar-track {
    background: var(--bg);
}

.table-wrapper::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    min-width: 520px;
}

.comparison-table th {
    background: var(--table-header);
    padding: 14px;
    text-align: left;
    font-weight: 700;
    color: var(--text);
    border-bottom: 2px solid var(--table-border);
    white-space: nowrap;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.comparison-table td {
    padding: 14px;
    border-bottom: 1px solid var(--table-border);
    color: var(--text);
    transition: border-color 0.3s ease;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover td {
    background: var(--bg);
}

.comparison-table .highlight {
    background: var(--highlight-row);
    font-weight: 700;
    color: var(--primary);
}

.comparison-table td:nth-child(5) {
    color: var(--lipa-primary);
    font-weight: 600;
}

.comparison-table tr.active-row td {
    background: var(--highlight-row);
    font-weight: 700;
}

/* ---------- Footer ---------- */
.app-footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
    :root {
        --top-bar-height: 72px;
    }

    .top-bar-inner {
        padding: 0 12px;
        gap: 8px;
    }

    .top-bar-edge {
        width: 3px;
    }

    .logo-circle {
        width: 40px;
        height: 40px;
        border-width: 2px;
        box-shadow: 0 0 0 2px var(--primary-light);
    }

    .brand-name {
        font-size: 1.1rem;
        letter-spacing: 0.5px;
    }

    .marquee-text {
        font-size: 0.72rem;
        letter-spacing: 0.3px;
    }

    .marquee-container {
        margin: 0 6px;
    }

    .marquee-track {
        gap: 40px;
    }

    .theme-toggle {
        padding: 6px 10px;
        gap: 4px;
    }

    .theme-icon {
        font-size: 1rem;
    }

    .theme-label {
        display: none;
    }

    .app-container {
        padding: calc(var(--top-bar-height) + 16px) 12px 24px;
    }

    .section-card {
        padding: 18px 14px;
        border-radius: 14px;
    }

    .section-header h2 {
        font-size: 1.1rem;
    }

    .section-header .subtitle {
        font-size: 0.82rem;
    }

    .network-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .network-card {
        padding: 12px 6px;
    }

    .network-card .net-icon {
        width: 36px;
        height: 36px;
    }

    .network-card .net-name {
        font-size: 0.82rem;
    }

    .type-option {
        padding: 10px;
        gap: 8px;
    }

    .type-icon {
        width: 32px;
        height: 32px;
    }

    .type-icon svg {
        width: 18px;
        height: 18px;
    }

    .type-text strong {
        font-size: 0.85rem;
    }

    .type-text small {
        font-size: 0.72rem;
    }

    .amount-input {
        font-size: 1rem;
        padding: 12px 0;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .amount-prefix {
        font-size: 0.85rem;
        margin-right: 6px;
        flex-shrink: 0;
    }

    .quick-chip {
        padding: 6px 10px;
        font-size: 0.78rem;
    }

    .calculate-btn {
        padding: 14px;
        font-size: 0.95rem;
    }

    .result-header {
        flex-wrap: nowrap;
        gap: 8px;
        min-width: 0;
    }

    .result-header .result-network {
        min-width: 0;
        overflow: hidden;
    }

    .result-header .result-network img {
        flex-shrink: 0;
    }

    .result-network {
        font-size: 0.95rem;
        gap: 6px;
    }

    .result-network img {
        width: 28px;
        height: 28px;
    }

    .result-badge {
        padding: 4px 10px;
        font-size: 0.7rem;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .breakdown-row {
        font-size: 0.9rem;
        gap: 8px;
        flex-wrap: nowrap;
    }

    .breakdown-label {
        font-size: 0.82rem;
        line-height: 1.3;
        min-width: 0;
        overflow-wrap: break-word;
        word-wrap: break-word;
    }

    .breakdown-value {
        font-size: 0.9rem;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .breakdown-label {
        font-size: 0.85rem;
    }

    .breakdown-value {
        font-size: 0.9rem;
    }

    .fee-value {
        font-size: 1rem;
    }

    .total-value {
        font-size: 1.1rem;
    }

    .comparison-table {
        font-size: 0.75rem;
    }

    .agent-fee-value,
    .success-value {
        font-size: 1rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 8px 6px;
    }

    .kutolea-btn {
        font-size: 0.9rem;
        padding: 14px;
        white-space: nowrap;
    }

    .kutolea-select {
        padding: 12px;
        font-size: 0.9rem;
    }

    .advice-content h3 {
        font-size: 0.9rem;
    }

    .advice-content p {
        font-size: 0.82rem;
    }

    .whatsapp-btn {
        padding: 12px 18px;
        font-size: 0.88rem;
    }

    .app-footer {
        font-size: 0.78rem;
        padding: 20px 12px;
    }
}

/* Extra small screens */
@media (max-width: 360px) {
    :root {
        --top-bar-height: 68px;
    }

    .brand-name {
        font-size: 1rem;
    }

    .marquee-text {
        font-size: 0.65rem;
    }

    .network-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .network-card .net-name {
        font-size: 0.78rem;
    }

    .type-text strong {
        font-size: 0.8rem;
    }

    .type-text small {
        font-size: 0.68rem;
    }

    .comparison-table {
        font-size: 0.7rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 6px 4px;
    }
}

/* ---------- ADS ---------- */
.ad-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px 0;
    overflow: hidden;
}

.ad-banner-728 {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.ad-banner-728 iframe,
.ad-banner-728 > * {
    max-width: 100%;
    height: auto;
}

.ad-native {
    width: 100%;
    min-height: 90px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ad-section {
    background: var(--card-bg);
    border-radius: 18px;
    padding: 16px;
    margin-bottom: 24px;
    box-shadow: 0 4px 16px var(--shadow);
    border: 1px solid var(--border);
}

.ad-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
}

@media (max-width: 720px) {
    .ad-banner-728 {
        display: none;
    }
}