/* Home Button */
.nav-home-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    color: #fafafa;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.92em;
    border: 1px solid rgba(250, 250, 250, 0.15);
    border-radius: 8px;
    transition: all 0.25s ease;
    white-space: nowrap;
    margin-right: 4px;
    flex-shrink: 0;
}
.nav-home-btn:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.4);
    color: #00d4ff;
}

/* KRONYQL Nav Dropdowns — Pure CSS */
.sovereign-nav-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
}
.sovereign-nav-dropdown > span,
.sovereign-nav-dropdown > .nav-link {
    font-weight: 600;
    cursor: pointer;
}
/* Default gold for Sovereign */
.sovereign-nav-dropdown > span { color: #f59e0b !important; }
/* Color variants */
.sovereign-nav-dropdown.dd-explore > span { color: #00d4ff !important; }
.sovereign-nav-dropdown.dd-vaults > span { color: #22c55e !important; }
.sovereign-nav-dropdown.dd-sovereign > span { color: #f59e0b !important; }
.sovereign-nav-dropdown.dd-trust > span { color: #ef4444 !important; }
.sovereign-nav-dropdown.dd-connect > span { color: #a855f7 !important; }

.sovereign-nav-dropdown > span::after,
.sovereign-nav-dropdown > .nav-link::after {
    display: none !important;
}
.sovereign-nav-menu {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    background: rgba(10, 22, 40, 0.97);
    border: 1px solid rgba(26, 45, 71, 0.7);
    border-radius: 14px;
    padding: 8px;
    min-width: 195px;
    backdrop-filter: blur(20px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    z-index: 10000;
}
.sovereign-nav-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: rgba(10, 22, 40, 0.97);
    border-left: 1px solid rgba(26, 45, 71, 0.7);
    border-top: 1px solid rgba(26, 45, 71, 0.7);
}
.sovereign-nav-dropdown:hover .sovereign-nav-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.sovereign-nav-menu a {
    display: block;
    padding: 10px 16px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.9em;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.sovereign-nav-menu a:hover {
    background: rgba(245, 158, 11, 0.1);
    color: #fafafa;
}
/* Hover color variants */
.dd-explore .sovereign-nav-menu a:hover { background: rgba(0, 212, 255, 0.1); }
.dd-vaults .sovereign-nav-menu a:hover { background: rgba(34, 197, 94, 0.1); }
.dd-sovereign .sovereign-nav-menu a:hover { background: rgba(245, 158, 11, 0.1); }
.dd-trust .sovereign-nav-menu a:hover { background: rgba(239, 68, 68, 0.1); }
.dd-connect .sovereign-nav-menu a:hover { background: rgba(168, 85, 247, 0.1); }

/* ═══════════════════════════════════════════════════════
   GLOBAL MOBILE RESPONSIVE OVERRIDES
   Loaded on every page via sovereign-dropdown.css
   ═══════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════
   MOBILE SIDE-NAV — Icon Rail + Expanding Panel
   ═══════════════════════════════════════════════════════ */

/* ── Side-nav container (hidden on desktop) ── */
.mobile-sidenav {
    display: none; /* shown at ≤768px */
    position: fixed; top: 0; left: 0; z-index: 10000;
    width: 56px; /* only covers the rail — doesn't block page content */
    height: 100vh; height: 100dvh;
    overflow: visible; /* allow panel to extend beyond rail width */
}

/* ── Icon rail (always visible on mobile) ── */
.sidenav-rail {
    position: absolute; top: 0; left: 0;
    width: 56px; height: 100%;
    background: linear-gradient(180deg, #0c1a30, #0a1628);
    border-right: 1px solid rgba(0,212,255,0.1);
    display: flex; flex-direction: column; align-items: center;
    padding: 12px 0 16px; gap: 2px;
    overflow-y: auto; overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    z-index: 2;
}

.sidenav-icon {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    width: 48px; min-height: 52px; padding: 6px 4px;
    background: none; border: none; border-radius: 12px;
    cursor: pointer; transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    position: relative;
}
.sidenav-icon-emoji { font-size: 1.3em; line-height: 1; }
.sidenav-icon-label {
    font-family: 'Inter', sans-serif; font-size: 0.55em; font-weight: 600;
    color: #64748b; margin-top: 3px; text-align: center; line-height: 1.1;
    transition: color 0.2s;
}
.sidenav-icon:hover { background: rgba(255,255,255,0.05); }
.sidenav-icon:hover .sidenav-icon-label { color: #94a3b8; }

/* Active icon (panel is open for this group) */
.sidenav-icon.active {
    background: rgba(255,255,255,0.08);
}
.sidenav-icon.active .sidenav-icon-label { color: var(--group-color, #fafafa); }
.sidenav-icon.active::before {
    content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 3px; height: 24px; border-radius: 0 3px 3px 0;
    background: var(--group-color, #00d4ff);
}

/* Current page indicator (subtle dot) */
.sidenav-icon.current-page::after {
    content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
    width: 5px; height: 5px; border-radius: 50%;
    background: var(--group-color, #00d4ff);
    opacity: 0.8;
}

/* ── Expanded panel (slides from behind rail) ── */
.sidenav-panel {
    position: absolute; top: 0; left: 56px;
    width: 230px; height: 100%;
    background: linear-gradient(180deg, #0d1f38, #0a1628);
    border-right: 1px solid rgba(26,45,71,0.5);
    box-shadow: 4px 0 30px rgba(0,0,0,0.4);
    transform: translateX(-230px); /* hidden behind rail */
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex; flex-direction: column;
    z-index: 1;
}
.mobile-sidenav.expanded .sidenav-panel {
    transform: translateX(0);
}

/* Panel header */
.sidenav-panel-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 16px 12px; border-bottom: 1px solid rgba(26,45,71,0.4);
    flex-shrink: 0;
}
.sidenav-panel-logo {
    font-family: 'Playfair Display', serif; font-size: 1.2em; font-weight: 800;
    background: linear-gradient(135deg, #00d4ff, #22d3ee);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.sidenav-panel-close {
    background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.25);
    color: #ef4444; width: 30px; height: 30px; border-radius: 8px;
    font-size: 0.9em; cursor: pointer; display: flex; align-items: center;
    justify-content: center; transition: all 0.2s;
}
.sidenav-panel-close:hover { background: rgba(239,68,68,0.2); }

/* Panel body (scrollable) */
.sidenav-panel-body {
    flex: 1; overflow-y: auto; padding: 8px 10px 16px;
    -webkit-overflow-scrolling: touch;
}

/* Panel sections (one per group) */
.sidenav-section { display: none; }
.sidenav-section.active { display: block; animation: sidenav-fadein 0.25s ease; }
@keyframes sidenav-fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.sidenav-section-title {
    font-family: 'Space Grotesk', sans-serif; font-size: 0.78em; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1.5px;
    padding: 10px 12px 8px; opacity: 0.9;
}

.sidenav-link {
    display: block; padding: 10px 12px; margin: 1px 0;
    color: #94a3b8; text-decoration: none;
    font-size: 0.88em; font-weight: 500;
    border-radius: 8px; transition: all 0.15s ease;
}
.sidenav-link:hover {
    background: rgba(255,255,255,0.05); color: #e2e8f0;
}

/* Panel auth buttons */
.sidenav-panel-auth {
    padding: 12px 14px; border-top: 1px solid rgba(26,45,71,0.4);
    display: flex; flex-direction: column; gap: 8px; flex-shrink: 0;
}
.sidenav-panel-auth a {
    display: block; text-align: center; padding: 10px 14px; border-radius: 10px;
    text-decoration: none; font-weight: 700; font-size: 0.85em; transition: all 0.3s;
}
.sidenav-panel-auth .login-btn {
    border: 1px solid rgba(148,163,184,0.25); color: #94a3b8;
}
.sidenav-panel-auth .signup-btn {
    background: linear-gradient(135deg, #00d4ff, #0ea5e9); color: #0a1628;
}

/* ── Overlay ── */
.sidenav-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.45); backdrop-filter: blur(2px);
    z-index: 9999; opacity: 0; visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}
.sidenav-overlay.visible { opacity: 1; visibility: visible; pointer-events: auto; }

/* ── Tablet (≤ 1024px) ── */
@media (max-width: 1024px) {
    .nav { flex-wrap: wrap; gap: 12px; padding: 0 16px; }
    .nav-links { flex-wrap: wrap; justify-content: center; gap: 8px 12px; }
    .auth-buttons { display: none; }
    .kronyql-logo { height: 80px; }
    .sovereign-nav-menu { min-width: 170px; }
}

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {
    /* Show side-nav, hide desktop nav-links */
    .mobile-sidenav { display: block !important; }
    .nav-links { display: none !important; }
    .auth-buttons { display: none !important; }

    /* Offset page content for the rail */
    body { padding-left: 56px !important; }
    .header, header {
        margin-left: 0; /* header stays full-width but inside padded body */
    }

    /* Make the top header a simple logo bar */
    .nav {
        flex-direction: row !important; flex-wrap: nowrap !important;
        justify-content: center; align-items: center;
        padding: 8px 16px; gap: 0;
    }
    .kronyql-logo { height: 48px; }
    .logo-container { flex-shrink: 0; }
    .logo-link { flex-shrink: 0; }

    /* Fixed elements need to account for rail */
    .header, header {
        position: sticky; top: 0; z-index: 100;
    }

    /* Typography */
    h1, .hero h1 { font-size: 1.8em !important; }
    h2 { font-size: 1.4em !important; }
    h3 { font-size: 1.1em !important; }

    /* Layout helpers */
    .container, .hero, section { padding-left: 16px !important; padding-right: 16px !important; }

    /* Tables — horizontal scroll */
    table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; white-space: nowrap; }

    /* Grids — stack single-column */
    .cards-grid, .features-grid, .grid, .stats-grid, .metrics-grid,
    .proposals-grid, .agents-grid, .vault-types-grid, .tiers-grid,
    .defense-grid, .dashboard-grid, .ranks-grid, .tier-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    /* Buttons — full width on mobile */
    .cta-btn, .btn, .btn-primary, .btn-outline, .signup-button {
        width: 100%; text-align: center; box-sizing: border-box;
    }

    /* Hide overly decorative elements */
    body::after { display: none; }

    /* Footer */
    footer { padding: 28px 16px !important; font-size: 0.8em !important; }
}

/* ── Small phones (≤ 480px) ── */
@media (max-width: 480px) {
    h1, .hero h1 { font-size: 1.5em !important; }
    h2 { font-size: 1.2em !important; }
    .kronyql-logo { height: 38px; }

    /* Narrower rail on very small screens */
    .mobile-sidenav { width: 50px; }
    .sidenav-rail { width: 50px; }
    .sidenav-icon { width: 42px; min-height: 46px; }
    .sidenav-icon-emoji { font-size: 1.15em; }
    .sidenav-icon-label { font-size: 0.5em; }
    .sidenav-panel { left: 50px; }
    body { padding-left: 50px !important; }
}