/* ============================================
   CENTRONIUM v8.4 — Baby Blue Teal
   Softer, cooler teal-blue matching the logo
   Professional mobile tokenomics & blockchain
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --bg-primary: #f5f7fb;
    --bg-secondary: #e9ecf4;
    --bg-card: rgba(255,255,255,0.88);
    --bg-card-solid: #ffffff;
    --bg-card-hover: #f0f3f8;
    --bg-input: #edf0f7;
    --border-primary: rgba(0,0,0,0.07);
    --border-hover: rgba(0,0,0,0.13);
    --text-primary: #0e1726;
    --text-secondary: #546178;
    --text-muted: #8a95aa;

    /* Baby blue teal — cooler, bluer */
    --accent: #3a8b96;
    --accent-bright: #4ba8b5;
    --accent-dim: rgba(58,139,150,0.09);
    --accent-gold: #c9a020;
    --accent-gold-dim: rgba(201,160,32,0.08);
    --green: #2d8a5e;
    --green-dim: rgba(45,138,94,0.08);
    --red: #c93d3d;
    --red-dim: rgba(201,61,61,0.08);
    --purple: #6b5acd;
    --purple-dim: rgba(107,90,205,0.08);
    --steel: #6878a0;
    --steel-dim: rgba(104,120,160,0.08);

    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Menlo', monospace;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 18px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
    --shadow: 0 4px 8px -2px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 20px -4px rgba(0,0,0,0.08);
    --shadow-lg: 0 16px 40px -8px rgba(0,0,0,0.12);
    --transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    font-size: 15px; line-height: 1.6;
}

body::before {
    content: ''; position: fixed; inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 25% 35%, rgba(58,139,150,0.05) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 75% 25%, rgba(107,90,205,0.03) 0%, transparent 50%),
        radial-gradient(ellipse 40% 50% at 50% 85%, rgba(201,160,32,0.03) 0%, transparent 50%);
    pointer-events: none; z-index: 0;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 10px; }

/* ===== HEADER ===== */
.header {
    position: fixed; top: 0; left: 0; right: 0;
    height: 60px; min-height: 60px; max-height: 60px;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 32px; z-index: 1000;
    box-shadow: 0 1px 12px rgba(0,0,0,0.04);
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}
.header.header-transparent {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid transparent;
    box-shadow: none;
}
.header.scrolled {
    background: rgba(255,255,255,0.88);
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}
@media (max-width: 768px) {
    .header {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: rgba(255,255,255,0.96) !important;
    }
    .header.header-transparent {
        background: transparent !important;
    }
    .header.scrolled {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: rgba(255,255,255,0.96) !important;
    }
}

.logo {
    display: flex; align-items: center; gap: 11px;
    font-weight: 800; font-size: 18px; letter-spacing: -0.5px;
    cursor: pointer; text-decoration: none; color: var(--text-primary); flex-shrink: 0;
}
.logo-img { width: 34px; height: 34px; object-fit: contain; flex-shrink: 0; transition: transform 0.2s ease; }
.logo:hover .logo-img { transform: scale(1.06); }
.logo span { color: var(--accent); }

.nav { display: flex; align-items: center; gap: 2px; padding: 0; border-radius: 0; background: transparent; }
.nav-mobile { display: none; }
.nav-btn {
    padding: 8px 14px; border-radius: 8px; border: none;
    background: transparent; color: var(--text-muted);
    font-family: var(--font-body); font-size: 13.5px; font-weight: 500;
    cursor: pointer; transition: var(--transition); white-space: nowrap;
    letter-spacing: -0.01em; line-height: 1; display: inline-flex; align-items: center;
}
.nav-btn:hover { color: var(--text-primary); background: rgba(0,0,0,0.04); }
.nav-btn.active { color: var(--accent); background: var(--accent-dim); font-weight: 600; box-shadow: none; }
.nav-icon { display: none; }
.nav-icon svg { width: 20px; height: 20px; display: block; }
.nav-label { display: inline; }

/* ===== HEADER RIGHT ===== */
.header-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.net-status {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 11px; font-weight: 700; color: var(--green);
    background: var(--green-dim); padding: 5px 12px; border-radius: 99px;
    letter-spacing: 0.3px; text-transform: uppercase;
}
.net-dot {
    width: 7px; height: 7px; border-radius: 50%; background: var(--green);
    box-shadow: 0 0 6px rgba(45,138,94,0.5);
    animation: netPulse 2s ease-in-out infinite;
}
@keyframes netPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.header-wallet-btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 7px 16px; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent), var(--accent-bright));
    color: #fff; font-family: var(--font-body); font-size: 12px; font-weight: 700;
    letter-spacing: 0.02em; transition: var(--transition);
    box-shadow: 0 2px 8px rgba(58,139,150,0.25);
}
.header-wallet-btn:hover { box-shadow: 0 4px 14px rgba(58,139,150,0.35); transform: translateY(-1px); opacity: 1; }
.header-wallet-btn svg { flex-shrink: 0; }

/* ===== BUTTONS ===== */
.btn {
    padding: 9px 20px; border-radius: var(--radius-sm); border: none;
    font-family: var(--font-body); font-size: 13px; font-weight: 600;
    cursor: pointer; transition: var(--transition);
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-bright)); color: #fff; box-shadow: 0 2px 8px rgba(58,139,150,0.25); }
.btn-primary:hover { box-shadow: 0 4px 14px rgba(58,139,150,0.3); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-gold { background: linear-gradient(135deg, #c9a020, #dab832); color: #fff; }
.btn-outline { background: #fff; color: var(--text-primary); border: 1px solid var(--border-primary); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-green { background: var(--green); color: #fff; }
.btn-red { background: var(--red); color: #fff; }
.btn-sm { padding: 5px 14px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 15px; border-radius: 10px; font-weight: 700; }

/* ===== MAIN ===== */
.main { margin-top: 0; padding: 28px; padding-top: 0; max-width: 1280px; margin-left: auto; margin-right: auto; position: relative; z-index: 1; }
.page { display: none; animation: fadeUp 0.35s ease; padding-top: 72px; }
.page.active { display: block; }
#page-dashboard { padding-top: 0; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ===== CARDS ===== */
.card {
    background: var(--bg-card); backdrop-filter: blur(8px);
    border: 1px solid var(--border-primary); border-radius: var(--radius);
    padding: 20px; transition: var(--transition); box-shadow: var(--shadow-xs);
}
.card:hover { box-shadow: var(--shadow); }
.card-clickable { cursor: pointer; }
.card-clickable:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-size: 15px; font-weight: 700; color: var(--text-primary); }
.card-subtitle { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ===== GRID ===== */
.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }
.grid-5 { grid-template-columns: repeat(5,1fr); }

/* ===== RESPONSIVE INNER GRIDS (for tokenomics/blockchain) ===== */
.inner-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.inner-grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
.info-box { padding: 10px; background: var(--bg-card-hover); border-radius: 8px; }
.info-box .info-label { color: var(--text-muted); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 700; margin-bottom: 3px; }
.info-box .info-value { font-weight: 700; font-size: 13px; font-family: var(--font-mono); }

.big-number { text-align: center; }
.big-number .num { font-size: 32px; font-weight: 800; line-height: 1.2; }
.big-number .label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.big-number .sublabel { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.reward-display { text-align: center; padding: 16px 0; }
.reward-display .reward-num { font-size: 32px; font-weight: 800; color: var(--accent-gold); }
.reward-display .reward-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ===== STATS ===== */
.stat-value { font-size: 26px; font-weight: 800; letter-spacing: -0.7px; margin: 5px 0 2px; }
.stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.7px; font-weight: 600; }
.stat-change { font-size: 12px; font-weight: 500; font-family: var(--font-mono); }

/* ===== FORMS ===== */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-input, .form-select { width: 100%; padding: 11px 14px; background: var(--bg-input); border: 1.5px solid transparent; border-radius: var(--radius-sm); color: var(--text-primary); font-family: var(--font-mono); font-size: 14px; transition: var(--transition); outline: none; }
.form-input:focus, .form-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); background: #fff; }
.form-input::placeholder { color: var(--text-muted); }

/* ===== TABLES ===== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 10px 14px; font-size: 10px; text-transform: uppercase; letter-spacing: 0.7px; color: var(--text-muted); font-weight: 700; border-bottom: 2px solid var(--bg-secondary); white-space: nowrap; }
td { padding: 11px 14px; border-bottom: 1px solid rgba(0,0,0,0.04); font-family: var(--font-mono); font-size: 12px; white-space: nowrap; }
tr:hover td { background: rgba(58,139,150,0.02); }

.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-cyan { color: var(--accent); }
.text-gold { color: var(--accent-gold); }
.text-purple { color: var(--purple); }
.text-muted { color: var(--text-secondary); }
.text-mono { font-family: var(--font-mono); }

/* ===== BADGE ===== */
.badge { display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 99px; font-size: 10px; font-weight: 700; }
.badge-green { background: var(--green-dim); color: var(--green); }
.badge-red { background: var(--red-dim); color: var(--red); }
.badge-cyan { background: var(--accent-dim); color: var(--accent); }
.badge-gold { background: var(--accent-gold-dim); color: var(--accent-gold); }
.badge-info { background: var(--accent-dim); color: var(--accent); }
.badge-ok { background: var(--green-dim); color: var(--green); }
.badge-warn { background: var(--accent-gold-dim); color: var(--accent-gold); }
.badge-purple { background: var(--purple-dim); color: var(--purple); }

/* ===== TABS ===== */
.tabs { display: flex; gap: 0; margin-bottom: 16px; border-bottom: 2px solid var(--bg-secondary); }
.tab { padding: 10px 18px; border: none; background: transparent; color: var(--text-muted); font-family: var(--font-body); font-size: 13px; font-weight: 600; cursor: pointer; transition: var(--transition); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ===== MODAL ===== */
.modal-overlay { position: fixed; inset: 0; background: rgba(14,23,38,0.35); backdrop-filter: blur(6px); z-index: 2000; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-overlay.active { display: flex; }
.modal { background: #fff; border-radius: var(--radius-lg); padding: 32px; width: 100%; max-width: 420px; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); animation: modalIn 0.25s ease; }
@keyframes modalIn { from { opacity: 0; transform: scale(0.96) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-title { font-size: 21px; font-weight: 800; margin-bottom: 20px; letter-spacing: -0.4px; }

/* ===== TOAST ===== */
.toast-container { position: fixed; top: 80px; right: 20px; z-index: 3000; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 13px 18px; border-radius: 10px; font-size: 13px; font-weight: 600; box-shadow: var(--shadow-md); animation: toastIn 0.3s ease; max-width: 360px; background: #fff; color: var(--text-primary); }
.toast-success { border-left: 4px solid var(--green); }
.toast-error { border-left: 4px solid var(--red); }
.toast-info { border-left: 4px solid var(--accent); }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

.addr { font-family: var(--font-mono); font-size: 11px; padding: 3px 8px; background: var(--accent-dim); border-radius: 5px; color: var(--accent); cursor: pointer; }
.spinner { width: 28px; height: 28px; border: 3px solid var(--bg-secondary); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.6s linear infinite; margin: 32px auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== SECTION HEADER ===== */
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.section-title { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; }
.section-desc { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }

/* ===== HERO ===== */
.hero { text-align: center; padding: 80px 20px 40px; position: relative; }
.hero-logo { width: 110px; height: 110px; object-fit: contain; margin: 0 auto 24px; display: block; animation: heroLogoIn 0.7s ease; filter: drop-shadow(0 6px 20px rgba(58,139,150,0.12)); }
@keyframes heroLogoIn { from { opacity: 0; transform: scale(0.88) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.hero h1 { font-size: 50px; font-weight: 800; letter-spacing: -2px; line-height: 1.05; margin-bottom: 18px; }
.hero h1 .gradient {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-bright) 35%, var(--accent-gold) 75%, #dab832 100%);
    background-size: 200% 200%; animation: gradientFlow 6s ease infinite;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
@keyframes gradientFlow { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
.hero p { font-size: 16px; color: var(--text-secondary); max-width: 540px; margin: 0 auto 32px; line-height: 1.7; }
.hero-actions { display: flex; gap: 12px; justify-content: center; }
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }

/* ===== FOOTER ===== */
.app-footer { background: var(--bg-card-solid); border-top: 1px solid var(--border-primary); padding: 32px 28px 24px; margin-top: 48px; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; color: var(--text-primary); }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 13px; font-weight: 600; cursor: pointer; transition: color 0.15s; }
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-size: 12px; color: var(--text-muted); }

.admin-fab { position: fixed; bottom: 20px; right: 20px; z-index: 200; background: var(--red); color: #fff; border: none; border-radius: 50px; padding: 12px 20px; font-family: var(--font-body); font-size: 13px; font-weight: 700; cursor: pointer; box-shadow: 0 4px 14px rgba(201,61,61,0.3); transition: var(--transition); }
.admin-fab:hover { transform: translateY(-2px); }
.form-label-sm { display: block; font-size: 11px; color: var(--text-muted); margin-bottom: 3px; text-transform: uppercase; letter-spacing: 0.5px; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2,1fr); }
    .grid-5 { grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 768px) {
    .header { height: 56px; min-height: 56px; max-height: 56px; padding: 0 12px; overflow: visible; justify-content: space-between; }
    .header.scrolled { box-shadow: 0 1px 10px rgba(0,0,0,0.05); }
    .logo { font-size: 15px; gap: 8px; }
    .logo-img { width: 28px; height: 28px; }
    .header-right { gap: 6px; }
    .net-status { font-size: 9px; padding: 4px 8px; }
    .net-dot { width: 5px; height: 5px; }
    .header-wallet-btn { padding: 6px 10px; font-size: 11px; gap: 5px; }
    .header-wallet-btn svg { width: 13px; height: 13px; }

    .nav-desktop { display: none !important; }
    .nav-mobile {
        position: fixed; bottom: 0; left: 0; right: 0;
        border-radius: 0;
        background: rgba(255,255,255,0.97); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
        padding: 8px 0 calc(6px + env(safe-area-inset-bottom));
        border-top: none; z-index: 9999;
        box-shadow: 0 -2px 12px rgba(58,139,150,0.08);
        justify-content: space-around;
        display: flex; align-items: flex-end;
        transform: none !important; will-change: auto;
        contain: none;
    }
    .nav-mobile::before {
        content: '';
        position: absolute; top: 0; left: 0; right: 0; height: 0;
        border-top: 1.5px solid var(--accent);
        mask: radial-gradient(circle 36px at 50% 0, transparent 98%, black 100%);
        -webkit-mask: radial-gradient(circle 36px at 50% 0, transparent 98%, black 100%);
    }
    .nav-mobile .nav-btn { flex-direction: column; gap: 3px; padding: 4px 0; min-width: 56px; text-align: center; border-radius: 0; background: transparent; align-items: center; }
    .nav-mobile .nav-btn.active { background: transparent; color: var(--accent); }
    .nav-mobile .nav-btn:hover { background: transparent; }
    .nav-mobile .nav-icon { display: flex; align-items: center; justify-content: center; line-height: 1; }
    .nav-mobile .nav-icon svg { width: 22px; height: 22px; stroke-width: 1.8; }
    .nav-mobile .nav-label { font-size: 10px; font-weight: 600; line-height: 1; }

    .main { padding: 20px 16px 90px; margin-top: 0; overflow-x: hidden; }

    .hero { padding: 72px 8px 24px; }
    .hero-logo { width: 72px; height: 72px; margin-bottom: 18px; }
    .hero h1 { font-size: 28px; letter-spacing: -0.8px; line-height: 1.1; margin-bottom: 14px; }
    .hero p { font-size: 14px; margin-bottom: 24px; line-height: 1.6; max-width: 100%; padding: 0 8px; }
    .hero-actions { flex-direction: column; gap: 10px; align-items: stretch; padding: 0 20px; }
    .hero-actions .btn-lg { width: 100%; padding: 14px 20px; font-size: 15px; }

    .grid { gap: 10px; }
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: repeat(2,1fr); }
    .grid-5 { grid-template-columns: repeat(2,1fr); }

    .card { padding: 16px; border-radius: 10px; overflow: hidden; }
    .card-header { margin-bottom: 12px; }
    .card-title { font-size: 14px; }
    .stat-value { font-size: 20px; }
    .stat-label { font-size: 9px; }

    .section-header { flex-direction: column; align-items: flex-start; gap: 2px; margin-bottom: 16px; }
    .section-title { font-size: 20px; }
    .section-desc { font-size: 12px; }

    /* Tokenomics/Blockchain inner grids — STACK on mobile */
    .inner-grid-3 { grid-template-columns: 1fr; gap: 12px; }
    .inner-grid-2 { grid-template-columns: 1fr; gap: 8px; }
    .big-number .num { font-size: 26px; }
    .big-number .label { font-size: 12px; }
    .reward-display .reward-num { font-size: 26px; }

    .modal-overlay { align-items: flex-end; padding: 0; }
    .modal { padding: 28px 20px calc(20px + env(safe-area-inset-bottom)); border-radius: 16px 16px 0 0; max-width: 100%; width: 100%; max-height: 88vh; animation: sheetUp 0.3s cubic-bezier(0.32,0.72,0,1); }
    @keyframes sheetUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
    .modal-title { font-size: 19px; }
    .modal .btn { padding: 14px; font-size: 15px; border-radius: 10px; width: 100%; }

    .table-wrap { margin: 0 -16px; padding: 0 16px; }
    td { padding: 10px 10px; font-size: 11px; }
    th { padding: 8px 10px; font-size: 9px; }
    .tabs { gap: 0; }
    .tab { flex: 1; text-align: center; padding: 10px 8px; font-size: 12px; }
    .badge { font-size: 9px; padding: 2px 7px; }
    .addr { font-size: 10px; padding: 2px 6px; }
    .form-input, .form-select { font-size: 16px; padding: 13px 14px; border-radius: 10px; }
    .toast-container { top: 62px; right: 12px; left: 12px; }
    .toast { font-size: 13px; padding: 12px 16px; max-width: 100%; border-radius: 10px; }
    .app-footer { display: none; }
    .admin-fab { bottom: 90px; right: 12px; padding: 10px 16px; font-size: 12px; }
    .page { overflow-x: hidden; }
}

@media (max-width: 420px) {
    .hero h1 { font-size: 26px; }
    .hero-logo { width: 60px; height: 60px; margin-bottom: 14px; }
    .stat-value { font-size: 18px; }
    .card { padding: 14px; }
    .big-number .num { font-size: 22px; }
}

@media (max-width: 360px) {
    .grid-4 { grid-template-columns: 1fr; }
    .nav-mobile .nav-btn { min-width: 44px; }
    .nav-mobile .nav-label { font-size: 9px; }
}

.mobile-exchange-tabs { display: none; }
.orders-table { width:100%; border-collapse:collapse; font-size:12px; }
.orders-table thead th { padding:8px 10px; text-align:left; font-size:10px; font-weight:700; text-transform:uppercase; color:var(--text-muted); border-bottom:1px solid var(--border-primary); }
.orders-table tbody td { padding:7px 10px; border-bottom:1px solid var(--bg-secondary); font-family:var(--font-mono); font-size:11px; }
.orders-table tbody tr:hover { background:var(--bg-card-hover); }

/* ===== CENTER HUB BUTTON (mobile only) ===== */
.nav-center-btn { display: none; }
.nav-center-wrap { display: none; }
.nav-desktop-only { display: inline-flex; }
.nav-center-icon { display: none; }

/* Desktop nav center button — uses atom icon inline */
.nav-desktop .nav-center-btn {
    display: inline-flex; align-items: center; gap: 0;
    padding: 6px; border-radius: 50%; border: none;
    background: transparent; color: var(--accent);
    cursor: pointer; transition: var(--transition);
}
.nav-desktop .nav-center-btn:hover { background: var(--accent-dim); }
.nav-desktop .nav-center-btn .nav-center-icon { display: flex; }
.nav-desktop .nav-center-btn .centro-atom { width: 28px; height: 28px; }

/* ===== HUB MENU OVERLAY (desktop fallback) ===== */
.hub-overlay {
    display: none; position: fixed; inset: 0; z-index: 2000;
    background: rgba(0,0,0,0.4); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.hub-overlay.active { display: flex; align-items: flex-end; justify-content: center; }

.hub-sheet {
    width: 100%; max-width: 500px;
    background: var(--bg-card-solid); border-radius: 20px 20px 0 0;
    padding: 12px 24px calc(24px + env(safe-area-inset-bottom));
    transform: translateY(100%); transition: transform 0.3s cubic-bezier(0.32,0.72,0,1);
    box-shadow: 0 -8px 40px rgba(0,0,0,0.12);
}
.hub-sheet.active { transform: translateY(0); }

.hub-handle {
    width: 36px; height: 4px; border-radius: 2px;
    background: var(--border-primary); margin: 0 auto 20px;
}
.hub-header { text-align: center; margin-bottom: 24px; }
.hub-logo { width: 56px; height: 56px; border-radius: 50%; margin-bottom: 12px; }
.hub-title { font-size: 18px; font-weight: 800; letter-spacing: -0.5px; color: var(--text-primary); }
.hub-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

.hub-links { display: flex; flex-direction: column; gap: 10px; }
.hub-link {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 16px; border-radius: 14px;
    background: var(--bg-input); text-decoration: none; color: var(--text-primary);
    transition: background 0.15s ease;
}
.hub-link:hover { background: var(--bg-secondary); }
.hub-link-icon { font-size: 28px; flex-shrink: 0; width: 40px; text-align: center; }
.hub-link-info { flex: 1; min-width: 0; }
.hub-link-name { font-size: 15px; font-weight: 700; letter-spacing: -0.3px; }
.hub-link-desc { font-size: 12px; color: var(--text-muted); margin-top: 2px; line-height: 1.4; }
.hub-link-arrow { font-size: 18px; color: var(--text-muted); flex-shrink: 0; }

/* ===== GLOW RING CENTER BUTTON (mobile) ===== */
@keyframes centroGlow {
    0%, 100% { opacity: 0.15; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.38; transform: translate(-50%, -50%) scale(1.06); }
}
@keyframes centroRing {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

@media (max-width: 768px) {
    .nav-center-wrap {
        display: flex; flex-direction: column; align-items: center;
        position: relative; z-index: 1001;
        min-width: 64px;
    }
    .nav-center-wrap .nav-center-btn {
        display: flex !important; align-items: center; justify-content: center;
        width: 56px; height: 56px; border-radius: 50% !important;
        background: var(--bg-card-solid); border: 1.5px solid var(--accent);
        padding: 0; margin-top: -24px;
        cursor: pointer; position: relative; z-index: 3;
        transition: transform 0.18s ease, border-color 0.3s ease;
        color: var(--accent); min-width: 56px;
    }
    .nav-center-wrap .nav-center-btn:active { transform: scale(0.91); }
    .nav-center-wrap .centro-atom { width: 30px; height: 30px; }

    /* Glow layers */
    .nav-center-glow {
        position: absolute; top: -24px; left: 50%;
        width: 80px; height: 80px; border-radius: 50%;
        background: var(--accent);
        transform: translate(-50%, 0);
        animation: centroGlow 3.5s ease-in-out infinite;
        pointer-events: none; z-index: 1;
        filter: blur(12px);
    }
    .nav-center-ring {
        position: absolute; top: -24px; left: 50%;
        width: 68px; height: 68px; border-radius: 50%;
        border: 2px solid var(--accent);
        transform: translate(-50%, 0);
        margin-top: -6px; margin-left: 0;
        top: calc(-24px + -6px); left: 50%;
        transform: translate(-50%, 0);
        animation: centroRing 3.5s ease-in-out infinite;
        pointer-events: none; z-index: 2;
    }
    /* Recalculate ring position to center on button */
    .nav-center-ring {
        top: -30px;
        width: 68px; height: 68px;
    }
    .nav-center-glow {
        top: -28px;
    }

    .nav-center-label {
        font-size: 10px; font-weight: 600; color: var(--accent);
        margin-top: 3px; line-height: 1; white-space: nowrap;
        transition: opacity 0.2s ease;
    }

    /* When popover is open, pulse faster and brighten */
    .nav-center-wrap.popover-open .nav-center-glow {
        animation-duration: 1.5s; opacity: 0.5;
    }
    .nav-center-wrap.popover-open .nav-center-ring {
        animation-duration: 1.5s;
    }
    .nav-center-wrap.popover-open .nav-center-btn {
        border-color: var(--accent-bright);
    }

    .nav-desktop-only { display: none !important; }
}

/* ===== CENTROSHIELD POPOVER ===== */
.cs-popover {
    position: fixed;
    bottom: calc(90px + env(safe-area-inset-bottom));
    left: 50%; transform: translateX(-50%) translateY(8px);
    z-index: 10001;
    opacity: 0; pointer-events: none;
    display: none;
    transition: opacity 0.22s ease, transform 0.22s ease;
}
.cs-popover.active {
    display: block;
    opacity: 1; pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
@media (min-width: 769px) {
    .cs-popover { display: none !important; }
}
.cs-popover-card {
    width: 272px;
    background: var(--bg-card-solid);
    border: 1px solid var(--border-primary);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(58,139,150,0.12), 0 2px 8px rgba(0,0,0,0.06);
}
.cs-popover-arrow {
    width: 12px; height: 12px;
    background: var(--bg-card-solid);
    border-right: 1px solid var(--border-primary);
    border-bottom: 1px solid var(--border-primary);
    transform: rotate(45deg);
    margin: -7px auto 0;
    position: relative; z-index: -1;
}
.cs-pop-top {
    padding: 16px 16px 12px;
    display: flex; align-items: center; gap: 10px;
}
.cs-pop-shield {
    width: 36px; height: 36px; border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), #2d6e77);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.cs-pop-shield svg { width: 20px; height: 20px; color: #fff; }
.cs-pop-name {
    font-size: 14px; font-weight: 700; color: var(--text-primary);
    letter-spacing: -0.3px;
}
.cs-pop-sub {
    font-size: 11px; color: var(--text-muted); margin-top: 1px;
}
.cs-pop-wallet {
    margin: 0 16px; padding: 14px;
    background: var(--bg-input); border-radius: 10px;
}
.cs-pop-bal-lbl {
    font-size: 11px; color: var(--text-muted); font-weight: 500;
    letter-spacing: 0.03em; text-transform: uppercase;
}
.cs-pop-bal {
    font-size: 22px; font-weight: 700; color: var(--text-primary);
    letter-spacing: -0.5px; margin-top: 2px;
    font-family: var(--font-mono);
}
.cs-pop-bal-unit {
    font-size: 13px; font-weight: 500; color: var(--text-muted);
    margin-left: 4px;
}
.cs-pop-actions {
    display: flex; gap: 8px; margin-top: 10px;
}
.cs-pop-act {
    flex: 1; display: flex; flex-direction: column; align-items: center;
    gap: 4px; padding: 8px 4px; border-radius: 8px;
    background: var(--bg-card-solid); border: 1px solid var(--border-primary);
    text-decoration: none; transition: background 0.15s ease;
}
.cs-pop-act:hover { background: var(--bg-card-hover); }
.cs-pop-act svg { width: 16px; height: 16px; color: var(--accent); }
.cs-pop-act span { font-size: 10px; color: var(--text-secondary); font-weight: 500; }
.cs-pop-cta {
    display: block; margin: 12px 16px 14px; padding: 11px;
    background: var(--accent); color: #fff;
    font-family: var(--font-body);
    font-size: 13.5px; font-weight: 600; text-align: center;
    border-radius: 10px; text-decoration: none;
    letter-spacing: -0.2px; cursor: pointer;
    transition: background 0.15s ease;
}
.cs-pop-cta:hover { background: var(--accent-bright); }