@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ============================================================
   CSS VARIABLES — dark (default) and light themes
   ============================================================ */
:root {
    --bg:             #0c1322;
    --bg-card:        rgba(255,255,255,0.05);
    --bg-card-hover:  rgba(255,255,255,0.08);
    --bg-nav:         rgba(12,19,34,0.88);
    --bg-footer:      rgba(12,19,34,0.88);
    --bg-input:       rgba(255,255,255,0.06);
    --bg-ghost:       rgba(255,255,255,0.06);
    --bg-ghost-h:     rgba(255,255,255,0.11);
    --text:           #e2e8f0;
    --text-muted:     #94a3b8;
    --text-faint:     #64748b;
    --border:         rgba(255,255,255,0.08);
    --border-soft:    rgba(255,255,255,0.13);
    --border-input:   rgba(255,255,255,0.10);
    --grid-line:      rgba(255,255,255,0.04);
    --glow:           rgba(16,185,129,0.18);
    --key-bg:         rgba(16,185,129,0.05);
    --key-border:     rgba(16,185,129,0.20);
    --key-text:       #34d399;
    --scrollbar-bg:   #0c1322;
    --scrollbar-thumb:#1e2d47;
    --card-shadow:    0 4px 24px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.07);
    --gradient-card:  linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
    /* Solid card bg for gradients — real blended color of bg + bg-card */
    --solid-card:     #111d2e;
    --solid-card-2:   #0e1829;
}

[data-theme="light"] {
    --bg:             #f0f4f8;
    --bg-card:        rgba(255,255,255,0.85);
    --bg-card-hover:  rgba(255,255,255,0.97);
    --bg-nav:         rgba(248,250,252,0.94);
    --bg-footer:      rgba(248,250,252,0.97);
    --bg-input:       rgba(255,255,255,0.92);
    --bg-ghost:       rgba(0,0,0,0.05);
    --bg-ghost-h:     rgba(0,0,0,0.09);
    --text:           #0f172a;
    --text-muted:     #475569;
    --text-faint:     #94a3b8;
    --border:         rgba(0,0,0,0.07);
    --border-soft:    rgba(0,0,0,0.12);
    --border-input:   rgba(0,0,0,0.13);
    --grid-line:      rgba(0,0,0,0.035);
    --glow:           rgba(16,185,129,0.10);
    --key-bg:         rgba(16,185,129,0.06);
    --key-border:     rgba(16,185,129,0.25);
    --key-text:       #059669;
    --scrollbar-bg:   #e2e8f0;
    --scrollbar-thumb:#94a3b8;
    --card-shadow:    0 4px 20px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.9);
    --gradient-card:  linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.80) 100%);
    --solid-card:     #ffffff;
    --solid-card-2:   #f8fafc;
}

/* ============================================================
   BASE
   ============================================================ */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    scroll-behavior: smooth;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Remap common Tailwind color classes to CSS vars */
.bg-\[\#050505\]      { background-color: var(--bg) !important; }
.bg-black             { background-color: var(--bg) !important; }
.bg-black\/80         { background-color: var(--bg-nav) !important; }
.bg-white\/\[0\.01\]  { background-color: var(--bg-card) !important; }
.bg-white\/\[0\.02\]  { background-color: var(--bg-card) !important; }
.bg-white\/\[0\.03\]  { background-color: var(--bg-card) !important; }
.bg-white\/\[0\.04\]  { background-color: var(--bg-card-hover) !important; }
.bg-white\/\[0\.05\]  { background-color: var(--bg-card-hover) !important; }
.bg-white\/5          { background-color: var(--bg-ghost) !important; }
.bg-white\/10         { background-color: var(--bg-ghost-h) !important; }
.text-white           { color: var(--text) !important; }
.text-gray-400        { color: var(--text-muted) !important; }
.text-gray-500        { color: var(--text-muted) !important; }
.text-gray-600        { color: var(--text-faint) !important; }
.text-gray-700        { color: var(--text-faint) !important; }
.border-white\/5      { border-color: var(--border) !important; }
.border-white\/10     { border-color: var(--border-soft) !important; }
.hover\:bg-white\/10:hover { background-color: var(--bg-ghost-h) !important; }

/* ============================================================
   DECORATIONS
   ============================================================ */
.bg-grid {
    background-size: 60px 60px;
    background-image:
        linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
}
.hero-glow {
    background: radial-gradient(circle at 50% -20%, var(--glow) 0%, transparent 70%);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.active { opacity: 1; transform: translateY(0); }

.btn-glow:hover { box-shadow: 0 0 22px rgba(16, 185, 129, 0.42); }
.pricing-card-glow { box-shadow: 0 0 40px rgba(16, 185, 129, 0.08); }

@keyframes pingPulse { 0%,100%{opacity:1} 50%{opacity:.4} }
.ping-dot { animation: pingPulse 2s ease-in-out infinite; }

@keyframes donutDraw { from { stroke-dasharray: 0 251.2; } }
.donut-arc { animation: donutDraw 1.5s ease forwards; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar       { width: 8px; }
::-webkit-scrollbar-track { background: var(--scrollbar-bg); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #10b981; }

/* ============================================================
   NAVBAR
   ============================================================ */
#navbar { transition: background-color 0.35s, border-color 0.35s, padding 0.35s; }
#navbar.scrolled {
    background-color: var(--bg-nav) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
#navbar a      { color: var(--text); transition: color 0.2s; }
#navbar a:hover { color: #10b981; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
    background-color: var(--bg-footer) !important;
    border-top-color: var(--border) !important;
}
footer a       { color: var(--text-muted); transition: color 0.2s; }
footer a:hover { color: #10b981; }

/* ============================================================
   THEME TOGGLE
   ============================================================ */
#theme-toggle {
    width: 38px; height: 38px;
    border-radius: .75rem;
    background: var(--bg-ghost);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: background .2s, border-color .2s, transform .15s;
    flex-shrink: 0;
    color: var(--text);
}
#theme-toggle:hover {
    background: var(--bg-ghost-h);
    border-color: rgba(16,185,129,0.4);
    transform: scale(1.06);
}
#theme-toggle svg { transition: transform 0.4s ease; }
#theme-toggle:hover svg { transform: rotate(22deg); }

/* ============================================================
   FORMS
   ============================================================ */
.form-input {
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: 1rem;
    padding: 1rem 1.25rem;
    width: 100%;
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 15px;
    outline: none;
    transition: border-color .2s, background .2s;
}
.form-input::placeholder { color: var(--text-faint); }
.form-input:focus {
    border-color: rgba(16,185,129,.55);
    background: var(--bg-card);
}

.form-label {
    display: block;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .2em;
    color: var(--text-muted);
    margin-bottom: .5rem;
}

/* Protocol checkboxes */
.proto-option {
    display: flex;
    align-items: center;
    gap: .75rem;
    cursor: pointer;
    padding: .75rem 1rem;
    border-radius: .875rem;
    border: 1px solid var(--border);
    background: var(--bg-card);
    transition: border-color .2s, background .2s;
    user-select: none;
}
.proto-option:hover {
    border-color: rgba(16,185,129,.35);
    background: var(--bg-card-hover);
}
.proto-option input[type="checkbox"] {
    width: 16px; height: 16px;
    accent-color: #10b981;
    flex-shrink: 0;
}
.proto-option input:checked ~ .proto-label-text { color: #10b981; }

/* ============================================================
   DASHBOARD — KEY CARDS
   ============================================================ */
.key-card {
    background: var(--key-bg);
    border: 1px solid var(--key-border);
    border-radius: 1.5rem;
    padding: 1.75rem 2rem;
    position: relative;
    transition: background .3s, border-color .3s;
    box-shadow: var(--card-shadow);
}
.key-text {
    font-family: 'Courier New', monospace;
    color: var(--key-text);
    font-size: 13px;
    line-height: 1.65;
    word-break: break-all;
}

.proto-key-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1.75rem;
    padding: 1.5rem;
    transition: background .3s, border-color .3s, box-shadow .3s;
    box-shadow: var(--card-shadow);
}
.proto-key-card:hover {
    border-color: var(--border-soft);
    box-shadow: 0 8px 32px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.09);
}

.proto-key-text {
    font-family: 'Courier New', monospace;
    font-size: 11.5px;
    line-height: 1.6;
    word-break: break-all;
    color: var(--text-muted);
}

.protocol-select {
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: .75rem;
    padding: .75rem 2.5rem .75rem 1rem;
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: .1em;
    outline: none;
    cursor: pointer;
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    transition: border-color .2s;
}
.protocol-select:focus { border-color: rgba(16,185,129,.5); }
.protocol-select option { background: var(--bg); color: var(--text); }

/* ============================================================
   STATS CARD
   ============================================================ */
.stats-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 2rem;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
}

[data-theme="light"] .stats-card {
    background: white;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.week-bar-fill {
    border-radius: 4px 4px 0 0;
    transition: height .4s ease;
}

/* ============================================================
   DASHBOARD METRIC PILLS
   ============================================================ */
.metric-pill {
    position: relative;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1.75rem;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--card-shadow);
    transition: border-color .25s, box-shadow .25s;
}
.metric-pill:hover {
    border-color: rgba(16,185,129,0.3);
    box-shadow: 0 8px 28px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.08);
}
.metric-pill-photo {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.07;
    pointer-events: none;
}
[data-theme="light"] .metric-pill-photo { opacity: 0.12; }
[data-theme="light"] .metric-pill {
    background: white;
    box-shadow: 0 2px 16px rgba(0,0,0,0.07);
}

.metric-pill-icon {
    width: 44px; height: 44px;
    border-radius: 1rem;
    background: rgba(16,185,129,0.12);
    border: 1px solid rgba(16,185,129,0.2);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

/* ============================================================
   DASHBOARD MAIN PANEL
   ============================================================ */
.dash-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 2.5rem;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}
[data-theme="light"] .dash-panel {
    background: white;
    box-shadow: 0 4px 32px rgba(0,0,0,0.09);
}
.dash-divider {
    border-color: var(--border) !important;
}

/* Protocol tabs */
.proto-tab-btn {
    padding: .45rem 1rem;
    border-radius: .625rem;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .1em;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all .18s;
    background: transparent;
    color: var(--text-muted);
    white-space: nowrap;
}
.proto-tab-btn:hover:not(.tab-active) {
    background: var(--bg-ghost);
    color: var(--text);
}
.proto-tab-btn.tab-active {
    background: rgba(16,185,129,.13);
    border-color: rgba(16,185,129,.35);
    color: #10b981;
}

/* Scrollable extra keys */
.extra-keys-list {
    max-height: 200px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) transparent;
}

/* ============================================================
   FLASH
   ============================================================ */
#flash-container { transition: opacity .5s ease; pointer-events: none; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-answer {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height .4s ease, opacity .3s ease;
}
.faq-answer.open { max-height: 300px; opacity: 1; }

/* ============================================================
   PHOTO CARDS
   ============================================================ */
.photo-card {
    background: var(--solid-card);
    border: 1px solid var(--border);
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: border-color .25s, box-shadow .25s;
}
.photo-card:hover {
    border-color: rgba(16,185,129,0.28);
    box-shadow: 0 8px 36px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.09);
}
[data-theme="light"] .photo-card {
    box-shadow: 0 2px 20px rgba(0,0,0,0.07);
}

/* Photo header inside card */
.photo-card-header {
    position: relative;
    height: 105px;
    overflow: hidden;
    flex-shrink: 0;
}
.photo-card-header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}
.photo-card-header::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 70%;
    background: linear-gradient(to bottom, transparent, var(--solid-card));
    pointer-events: none;
}
.photo-card-body { padding: 1.25rem 1.5rem 1.5rem; }

/* Metric card with right-side photo */
.metric-photo-card {
    position: relative;
    overflow: hidden;
    background: var(--solid-card);
    border: 1px solid var(--border);
    border-radius: 1.75rem;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--card-shadow);
    transition: border-color .25s, box-shadow .25s;
}
.metric-photo-card:hover { border-color: rgba(16,185,129,0.3); }
[data-theme="light"] .metric-photo-card { box-shadow: 0 2px 16px rgba(0,0,0,0.07); }

.metric-card-photo-side {
    position: absolute;
    right: 0; top: 0; bottom: 0;
    width: 55%;
    pointer-events: none;
    z-index: 0;
}
.metric-card-photo-side img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: right center;
    opacity: 0.22;
}
[data-theme="light"] .metric-card-photo-side img { opacity: 0.14; }
.metric-card-photo-side::before {
    content: '';
    position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(to right, var(--solid-card) 25%, transparent 75%);
}

/* ============================================================
   SUBSCRIPTION MANAGEMENT BLOCK
   ============================================================ */
.sub-manage-card {
    background: var(--solid-card);
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
}
[data-theme="light"] .sub-manage-card {
    background: white;
    box-shadow: 0 2px 20px rgba(0,0,0,0.07);
}
.sub-manage-divider {
    border-color: var(--border) !important;
}
.sub-tariff-btn {
    background: var(--bg-ghost);
    border: 1px solid var(--border);
    color: var(--text);
}
.sub-tariff-btn:hover:not(.sub-tariff-active) {
    border-color: rgba(16,185,129,0.35);
    background: rgba(16,185,129,0.06);
}
.sub-tariff-active {
    background: rgba(16,185,129,0.08);
    border: 1px solid rgba(16,185,129,0.3);
}
[data-theme="light"] .sub-tariff-btn {
    background: #f8fafc;
    border-color: rgba(0,0,0,0.08);
    color: #0f172a;
}
[data-theme="light"] .sub-tariff-btn:hover:not(.sub-tariff-active) {
    background: rgba(16,185,129,0.06);
    border-color: rgba(16,185,129,0.3);
}
[data-theme="light"] .sub-tariff-active {
    background: rgba(16,185,129,0.08);
    border-color: rgba(16,185,129,0.3);
}

/* ============================================================
   LIGHT THEME — misc fixes
   ============================================================ */
[data-theme="light"] .dash-panel { border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .dash-divider { border-color: rgba(0,0,0,0.07) !important; }
[data-theme="light"] .proto-tab-btn { color: #475569; }
[data-theme="light"] .proto-tab-btn.tab-active { background: rgba(16,185,129,0.1); color: #059669; }
[data-theme="light"] .photo-card:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.12); }
/* Dark theme card enhancements */
:root .photo-card  { border-color: rgba(255,255,255,0.10); }
:root .metric-photo-card { border-color: rgba(255,255,255,0.10); }
[data-theme="light"] .pricing-card-glow {
    box-shadow: 0 4px 32px rgba(16,185,129,0.14);
}
[data-theme="light"] #mobile-menu {
    background-color: #f8fafc;
}
[data-theme="light"] #mobile-menu a { color: #0f172a; }
[data-theme="light"] .backdrop-blur-3xl { backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }

/* ============================================================
   MOBILE RESPONSIVE FIXES
   ============================================================ */

/* Prevent horizontal overflow site-wide */
html, body { overflow-x: hidden; }

/* Mobile menu background fix */
#mobile-menu { background-color: var(--bg); }

/* Subscription URL text — prevent overflow on mobile */
#sub-url-text { font-size: 11px; word-break: break-all; overflow-wrap: anywhere; }

/* Protocol key text — smaller on mobile */
@media (max-width: 640px) {
    .proto-key-text { font-size: 10.5px; }
    .key-text       { font-size: 11px; }

    /* Tariff cards — ensure equal height buttons */
    .photo-card-body { padding: 1rem 1.1rem 1.2rem; }

    /* Metric photo cards — reduce padding */
    .metric-photo-card { padding: 1rem 1.1rem; }

    /* Sub management block — full width buttons */
    .sub-manage-card .grid { grid-template-columns: 1fr; }

    /* Dashboard header h1 */
    section h1.text-3xl { font-size: 1.65rem; }

    /* Weekly bar chart on mobile */
    .bar-chart { height: 52px; }

    /* Stats donut — smaller on very small screens */
}

@media (max-width: 380px) {
    /* Extra small phones */
    .metric-photo-card { border-radius: 1.25rem; }
    .photo-card        { border-radius: 1.5rem; }
    .adm-metric        { border-radius: 1.25rem; }

    /* Shrink tab bars */
    .proto-tab-btn { padding: .35rem .7rem; font-size: 10px; }
}

/* Touch scroll improvement for tab bars */
.overflow-x-auto {
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.overflow-x-auto::-webkit-scrollbar { display: none; }

/* Dashboard row 3 keys: don't let key text push layout */
#panel-vless p, #panel-vmess p, #panel-trojan p, #panel-shadowsocks p {
    max-width: 100%;
    overflow: hidden;
}

/* Footer grid fix on small mobile */
@media (max-width: 480px) {
    footer .grid { grid-template-columns: 1fr 1fr; gap: 1.5rem 2rem; }
}