:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.72);
    --border-color: rgba(255, 255, 255, 0.1);
    --primary: #8b5cf6;
    --primary-hover: #7c3aed;
    --secondary: #ec4899;
    --accent: #06b6d4;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --surface-bg: rgba(15, 23, 42, 0.5);
    --surface-hover: rgba(15, 23, 42, 0.7);
    --message-bg: rgba(15, 23, 42, 0.6);
    --strength-bg: rgba(15, 23, 42, 0.26);
}

body[data-theme="light"] {
    --bg-color: #f1f5f9;
    --card-bg: rgba(255, 255, 255, 0.82);
    --border-color: rgba(15, 23, 42, 0.12);
    --text-main: #172033;
    --text-muted: #64748b;
    --surface-bg: rgba(255, 255, 255, 0.72);
    --surface-hover: rgba(255, 255, 255, 0.96);
    --message-bg: rgba(255, 255, 255, 0.76);
    --strength-bg: rgba(226, 232, 240, 0.62);
}

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

body {
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.15), transparent 25%), radial-gradient(circle at 85% 30%, rgba(236, 72, 153, 0.15), transparent 25%), radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.15), transparent 25%);
    background-attachment: fixed;
    color: var(--text-main);
    transition: background-color 180ms ease, color 180ms ease;
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    line-height: 1.5;
    padding: 2rem;
}

.container { max-width: 1200px; margin: 0 auto; }
header { text-align: center; margin-bottom: 3rem; animation: fadeInDown 0.6s ease-out; }
.eyebrow { color: #c4b5fd; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 0.75rem; }
.eyebrow i { margin-right: 0.35rem; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 700; margin-bottom: 0.5rem; background: linear-gradient(to right, #fff, #a5b4fc); -webkit-background-clip: text; -webkit-text-fill-color: transparent; letter-spacing: -0.05em; }
body[data-theme="light"] { background-image: radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.11), transparent 25%), radial-gradient(circle at 85% 30%, rgba(236, 72, 153, 0.1), transparent 25%), radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.08), transparent 25%); }
body[data-theme="light"] h1 { background: linear-gradient(to right, #312e81, #9d174d); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
body[data-theme="light"] .eyebrow { color: #4c1d95; }
body[data-theme="light"] .privacy-banner { color: #78350f; }
body[data-theme="light"] .card-tag { color: #5b21b6; }
.subtitle { color: var(--text-muted); font-size: 1.05rem; margin: 0 auto 1.5rem; max-width: 760px; }

.privacy-banner { display: flex; gap: 0.75rem; align-items: flex-start; max-width: 900px; margin: 0 auto 1.5rem; padding: 1rem 1.15rem; border: 1px solid rgba(245, 158, 11, 0.3); border-radius: 0.9rem; background: rgba(245, 158, 11, 0.08); color: #fde68a; text-align: left; font-size: 0.875rem; }
.privacy-banner i { color: var(--warning); font-size: 1.25rem; flex: 0 0 auto; }
.toolbar { display: flex; gap: 1rem; justify-content: center; align-items: end; flex-wrap: wrap; }
.main-actions { display: flex; justify-content: center; gap: 0.75rem; flex-wrap: wrap; }
.select-label { display: flex; flex-direction: column; align-items: flex-start; gap: 0.35rem; color: var(--text-muted); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
select { min-width: 170px; padding: 0.72rem 2rem 0.72rem 0.85rem; border: 1px solid var(--border-color); border-radius: 0.75rem; background: var(--surface-bg); color: var(--text-main); font: inherit; cursor: pointer; }
select:focus, button:focus-visible { outline: 2px solid #c4b5fd; outline-offset: 2px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.75rem 1.2rem; border-radius: 0.75rem; font-weight: 600; font-size: 0.9rem; cursor: pointer; transition: all 0.2s ease; font-family: inherit; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: white; border: 1px solid transparent; box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4); }
.btn-secondary { background: rgba(255, 255, 255, 0.05); color: var(--text-main); border: 1px solid var(--border-color); backdrop-filter: blur(10px); }
.btn-secondary:hover, .btn-secondary.active { background: rgba(139, 92, 246, 0.2); border-color: rgba(167, 139, 250, 0.6); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid transparent; }
.btn-ghost:hover { color: #fda4af; border-color: rgba(244, 63, 94, 0.35); background: rgba(244, 63, 94, 0.08); }
.theme-toggle { min-width: 140px; }
.btn:disabled { opacity: 0.7; cursor: not-allowed; transform: none !important; }

.service-status { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.launcher-panel { max-width: 900px; margin: 1.5rem auto 0; padding: 1.15rem; text-align: left; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 1rem; box-shadow: 0 10px 25px -15px rgba(0, 0, 0, 0.45); }
.launcher-heading { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 0.45rem; }
.launcher-heading h2 { font-size: 1.05rem; font-weight: 600; }
.launcher-kicker { display: block; color: var(--primary); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.15rem; }
.launcher-kicker i { margin-right: 0.25rem; }
.launcher-description { color: var(--text-muted); font-size: 0.8rem; max-width: 760px; }
.bookmarklet-row { display: flex; gap: 0.65rem; align-items: stretch; margin-top: 0.8rem; }
.bookmarklet-code { flex: 1; min-width: 0; resize: vertical; min-height: 3.6rem; padding: 0.7rem; border: 1px solid var(--border-color); border-radius: 0.65rem; background: var(--surface-bg); color: var(--text-main); font: 0.72rem/1.4 'Courier New', monospace; }
.bookmarklet-code:focus { outline: 2px solid #c4b5fd; outline-offset: 2px; }
.bookmarklet-row .btn { align-self: center; white-space: nowrap; }
.launcher-actions { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; margin-top: 0.75rem; }
.bookmarklet-link { text-decoration: none; }
.status-pill { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.35rem 0.65rem; border-radius: 999px; border: 1px solid rgba(16, 185, 129, 0.25); background: rgba(16, 185, 129, 0.08); color: #a7f3d0; font-size: 0.72rem; }
.status-pill-muted { border-color: rgba(148, 163, 184, 0.25); background: rgba(148, 163, 184, 0.08); color: var(--text-muted); }
.status-loading { border-color: rgba(245, 158, 11, 0.35); background: rgba(245, 158, 11, 0.1); color: #fde68a; }
.status-error { border-color: rgba(239, 68, 68, 0.35); background: rgba(239, 68, 68, 0.1); color: #fecaca; }
.status-dot { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--success); }
.status-loading .status-dot { background: var(--warning); animation: pulse 1s infinite; }
.status-error .status-dot { background: var(--danger); }

.dashboard { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2rem; }
.glass-card { background: var(--card-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid var(--border-color); border-radius: 1.25rem; padding: 2rem; box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3); animation: fadeInUp 0.6s ease-out backwards; }
.glass-card:nth-child(1) { animation-delay: 0.1s; }
.glass-card:nth-child(2) { animation-delay: 0.2s; }
.glass-card:nth-child(3) { animation-delay: 0.3s; }
.glass-card:nth-child(4) { animation-delay: 0.4s; grid-column: 1 / -1; }
.card-header { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--border-color); padding-bottom: 1rem; }
.card-header h2 { font-size: 1.2rem; font-weight: 600; display: flex; align-items: center; gap: 0.5rem; }
.card-tag { color: #c4b5fd; background: rgba(139, 92, 246, 0.12); border: 1px solid rgba(139, 92, 246, 0.24); padding: 0.25rem 0.5rem; border-radius: 0.5rem; font-size: 0.65rem; white-space: nowrap; }
.data-group { margin-bottom: 1.15rem; }
.data-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.3rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.data-value-container { display: flex; align-items: center; background: var(--surface-bg); border: 1px solid var(--border-color); border-radius: 0.5rem; padding: 0.5rem 0.75rem 0.5rem 1rem; transition: all 0.2s ease; position: relative; overflow: hidden; }
.data-value-container:hover { border-color: rgba(255, 255, 255, 0.2); background: var(--surface-hover); }
body[data-theme="light"] .data-value-container:hover { border-color: rgba(99, 102, 241, 0.35); }
.data-value { flex: 1; font-size: 0.95rem; font-weight: 500; color: var(--text-main); word-break: break-all; user-select: text; }
.data-value.empty-state { color: var(--text-muted); font-style: italic; }
.copy-btn { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 0.5rem; border-radius: 0.375rem; transition: all 0.2s; display: flex; align-items: center; justify-content: center; }
.copy-btn:hover { color: var(--primary); background: rgba(139, 92, 246, 0.1); }
.field-note { color: var(--text-muted); font-size: 0.75rem; margin-top: 0.45rem; }
.field-note i { margin-right: 0.25rem; }
.warning-note { color: #fcd34d; }
.data-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.avatar-container { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.avatar { width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--secondary)); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 700; color: white; box-shadow: 0 4px 10px rgba(0,0,0,0.2); }
.feature-btn { width: 100%; margin-top: 0.5rem; padding: 0.6rem; font-size: 0.85rem; }
.provider-controls { display: flex; gap: 0.5rem; align-items: center; }
.provider-controls select { flex: 1; min-width: 0; width: 100%; }
.provider-controls .btn { padding: 0.65rem 0.85rem; white-space: nowrap; }
.password-controls { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 0.5rem; align-items: center; margin-top: 0.65rem; }
.password-controls label { color: var(--text-muted); font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.password-controls select { min-width: 0; width: 100%; }
.password-controls .btn { white-space: nowrap; padding: 0.65rem 0.85rem; }
.password-value { letter-spacing: 0.04em; word-break: break-all; }
.password-strength { margin-top: 0.85rem; padding: 0.8rem; border: 1px solid rgba(148, 163, 184, 0.14); border-radius: 0.75rem; background: var(--strength-bg); }
.strength-header, .strength-meta { display: flex; justify-content: space-between; gap: 0.75rem; align-items: center; }
.strength-header { color: var(--text-muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; }
.strength-header strong { color: var(--text-main); text-transform: none; letter-spacing: 0; }
.strength-track { height: 0.45rem; margin: 0.65rem 0; overflow: hidden; border-radius: 999px; background: rgba(100, 116, 139, 0.25); }
.strength-bar { width: 0; height: 100%; border-radius: inherit; transition: width 180ms ease, background-color 180ms ease; background: var(--text-muted); }
.strength-bar.strength-weak { background: #ef4444; }
.strength-bar.strength-fair { background: #f59e0b; }
.strength-bar.strength-strong { background: #22c55e; }
.strength-bar.strength-very-strong { background: #14b8a6; }
.strength-meta { color: var(--text-muted); font-size: 0.72rem; flex-wrap: wrap; }

.cc-visual { background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%); border: 1px solid rgba(255,255,255,0.1); border-radius: 1rem; padding: 1.5rem; position: relative; overflow: hidden; margin-bottom: 1.5rem; box-shadow: 0 10px 25px -5px rgba(0,0,0,0.5); }
.cc-visual::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.05), transparent 60%); transform: rotate(30deg); pointer-events: none; }
.cc-chip { width: 45px; height: 32px; background: linear-gradient(135deg, #eab308 0%, #ca8a04 100%); border-radius: 6px; margin-bottom: 1rem; position: relative; overflow: hidden; }
.cc-chip::after { content: ''; position: absolute; top: 50%; left: 0; right: 0; height: 1px; background: rgba(0,0,0,0.2); }
.cc-number { font-family: 'Courier New', Courier, monospace; font-size: 1.35rem; letter-spacing: 0.12em; margin-bottom: 1rem; text-shadow: 0 2px 4px rgba(0,0,0,0.5); position: relative; }
.cc-details { display: flex; justify-content: space-between; font-family: 'Courier New', Courier, monospace; font-size: 0.875rem; color: #cbd5e1; position: relative; }

.inbox-card { min-height: 260px; }
.inbox-header { align-items: flex-start; }
.inbox-tabs { display: flex; gap: 0.5rem; }
.inbox-tabs .btn { padding: 0.45rem 0.7rem; font-size: 0.75rem; }
.inbox-view { margin-top: 1.5rem; max-height: 400px; overflow-y: auto; padding-right: 0.25rem; }
.inbox-empty { text-align: center; padding: 2.5rem 1rem; color: var(--text-muted); }
.inbox-empty strong { display: block; color: var(--text-main); margin-bottom: 0.35rem; }
.message-card { background: var(--message-bg); border: 1px solid var(--border-color); border-radius: 0.5rem; padding: 1rem; margin-bottom: 0.75rem; }
.message-subject { font-weight: 600; color: var(--text-main); margin-bottom: 0.25rem; }
.message-meta { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.message-intro { font-size: 0.875rem; color: #cbd5e1; white-space: pre-wrap; }
body[data-theme="light"] .message-intro, body[data-theme="light"] .cc-details { color: #475569; }
body[data-theme="light"] .btn-secondary { background: rgba(255, 255, 255, 0.62); }
body[data-theme="light"] .btn-secondary:hover, body[data-theme="light"] .btn-secondary.active { background: rgba(139, 92, 246, 0.12); }
body[data-theme="light"] .bookmarklet-code { background: rgba(255, 255, 255, 0.72); }
footer { color: var(--text-muted); text-align: center; font-size: 0.75rem; margin: 2rem auto 0; max-width: 900px; }
footer i { margin-right: 0.25rem; }

.toast { position: fixed; bottom: 2rem; right: 2rem; background: var(--card-bg); backdrop-filter: blur(10px); border: 1px solid var(--border-color); padding: 1rem 1.5rem; border-radius: 0.75rem; display: flex; align-items: center; gap: 0.75rem; box-shadow: 0 10px 30px rgba(0,0,0,0.3); transform: translateY(100px); opacity: 0; transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55); z-index: 100; }
.toast.show { transform: translateY(0); opacity: 1; }
.loader { width: 20px; height: 20px; border: 2px solid rgba(255,255,255,0.2); border-top-color: white; border-radius: 50%; animation: spin 0.8s linear infinite; display: none; }
.btn.loading .loader { display: block; }
.btn.loading span.btn-text { display: none; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { opacity: 0.4; } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 700px) {
    body { padding: 1rem; }
    .dashboard { grid-template-columns: 1fr; }
    .glass-card, .glass-card:nth-child(4) { grid-column: auto; padding: 1.25rem; }
    .toolbar { align-items: stretch; }
    .select-label, select, .main-actions { width: 100%; }
    .provider-controls { align-items: stretch; flex-direction: column; }
    .bookmarklet-row { flex-direction: column; }
    .bookmarklet-row .btn { width: 100%; }
    .launcher-actions { align-items: stretch; flex-direction: column; }
    .bookmarklet-link { width: 100%; }
    .provider-controls .btn { width: 100%; }
    .password-controls { grid-template-columns: 1fr; }
    .password-controls label { margin-top: 0.25rem; }
    .password-controls .btn { width: 100%; }
    .strength-meta { align-items: flex-start; flex-direction: column; gap: 0.2rem; }
    .main-actions .btn { flex: 1 1 45%; }
    .data-row { grid-template-columns: 1fr; gap: 0; }
    .card-header, .inbox-header { flex-wrap: wrap; }
    .card-tag { margin-left: auto; }
    .inbox-tabs { width: 100%; }
    .inbox-tabs .btn { flex: 1; }
    .toast { left: 1rem; right: 1rem; bottom: 1rem; }
}