/* =========================================================
   나의 AI 통역사 — 스타일
   ========================================================= */

:root {
    --user-font-family: 'Pretendard','Malgun Gothic','Apple SD Gothic Neo',system-ui,sans-serif;
    --user-font-size: 16px;
    --user-font-weight: 400;
    --user-font-style: normal;
    --user-line-height: 1.6;
    --user-src-color: #e5e7eb;
    --user-dst-color: #f9fafb;
    --user-panel-bg: #111114;
    --user-page-bg: #0a0a0b;
    --user-text-color: #f4f4f5;

    --accent:      #3b82f6;
    --accent-soft: rgba(59,130,246,0.18);
    --border:      #1f1f23;
    --border-soft: #16161a;
    --muted:       #9ca3af;
    --muted-2:     #6b7280;
    --danger:      #ef4444;
    --success:     #10b981;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Pretendard', 'Malgun Gothic', 'Apple SD Gothic Neo', system-ui, sans-serif;
    background: var(--user-page-bg);
    color: var(--user-text-color);
    line-height: 1.55;
    transition: background 0.25s, color 0.25s;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* 얇은 커스텀 스크롤바 (remix 스타일) */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #374151; border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: #4b5563; }
html { scrollbar-width: thin; scrollbar-color: #374151 transparent; }

h1, h2, h3 { margin: 0; }

/* ---------- Top bar ---------- */
.top-bar {
    background: rgba(10,10,11,0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #f4f4f5;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.brand {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 14px;
}
.brand .logo {
    font-size: 30px;
    line-height: 1;
    filter: drop-shadow(0 0 12px rgba(59,130,246,0.35));
}
.brand h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.01em;
    text-shadow:
        1px 1px 0 #000, -1px 1px 0 #000,
        1px -1px 0 #000, -1px -1px 0 #000,
        0 0 8px rgba(0,0,0,0.6);
}
.brand .tagline {
    margin: 4px 0 0;
    font-size: 12px;
    color: var(--muted);
}

/* ---------- Container ---------- */
.container {
    max-width: 1100px;
    margin: 24px auto;
    padding: 0 20px 40px;
}

/* ---------- Display settings ---------- */
.display-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    justify-content: flex-end;
}
.display-panel {
    background: #111114;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    margin-bottom: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px 20px;
    align-items: center;
}
.display-panel[hidden] { display: none; }
.display-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    color: var(--muted);
    min-width: 140px;
}
.display-group label { font-weight: 600; color: #d4d4d8; }
.display-group select,
.display-group input[type="range"],
.display-group input[type="color"] {
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    background: #18181b;
    color: #f4f4f5;
}
.display-group select:focus,
.display-group input:focus { outline: none; border-color: var(--accent); }
.display-group input[type="color"] {
    width: 56px; height: 32px; padding: 2px;
}
.display-group input[type="range"] { padding: 0; }

.preset-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.preset {
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #18181b;
    font-size: 12px;
    cursor: pointer;
    color: #d4d4d8;
    transition: border-color 0.15s, background 0.15s, transform 0.05s;
}
.preset:hover { background: #1f1f23; border-color: #3f3f46; }
.preset:active { transform: translateY(1px); }

/* ---------- Settings ---------- */
.settings {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
    padding: 16px;
    background: #111114;
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    margin-bottom: 18px;
}
.setting { display: flex; flex-direction: column; min-width: 140px; }
.setting label {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 4px;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.setting select, .settings input[type="text"] {
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
    background: #18181b;
    color: #f4f4f5;
}
.setting select:focus, .settings input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.btn-swap {
    align-self: flex-end;
    background: #18181b;
    border: 1px solid var(--border);
    color: var(--accent);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    font-size: 18px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}
.btn-swap:hover { background: #1f1f23; border-color: var(--accent); }

.toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--muted);
    cursor: pointer;
    user-select: none;
    padding: 8px 4px;
}
.toggle input { margin: 0; accent-color: var(--accent); }

/* ---------- Panels ---------- */
.panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}
.panel {
    background: #111114;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}
.panel::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(59,130,246,0.6), transparent);
    opacity: 0.8;
}
.panel-dst::before {
    background: linear-gradient(90deg, transparent, rgba(16,185,129,0.6), transparent);
}
.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.panel-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.status { font-size: 11px; color: var(--muted-2); }
.status.recording { color: var(--danger); font-weight: 600; }
.status.loading   { color: var(--accent); font-weight: 600; }
.status.error     { color: var(--danger); }

.panel textarea {
    width: 100%;
    min-height: 200px;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
    resize: vertical;
    font-family: var(--user-font-family);
    font-size: var(--user-font-size);
    font-weight: var(--user-font-weight);
    font-style: var(--user-font-style);
    line-height: var(--user-line-height);
    background: var(--user-panel-bg);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.panel textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.panel-src textarea { color: var(--user-src-color); }
.panel-dst textarea { color: var(--user-dst-color); }
.panel textarea:focus {
    outline: none;
    border-color: #2563eb;
    background: #fff;
}
.panel-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.05s, box-shadow 0.15s, background 0.15s, border-color 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    letter-spacing: -0.005em;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 0 0 var(--accent-soft);
}
.btn-primary:hover {
    background: #2563eb;
    box-shadow: 0 6px 24px -6px var(--accent);
}
.btn-outline {
    background: #18181b;
    color: #e5e7eb;
    border-color: var(--border);
}
.btn-outline:hover { background: #1f1f23; border-color: #3f3f46; }
.btn-sm { padding: 7px 12px; font-size: 13px; border-radius: 8px; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }

/* mic recording dot */
.mic-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #fff;
    opacity: 0.9;
    box-shadow: 0 0 0 0 rgba(239,68,68,0);
}
#micBtn.recording {
    background: var(--danger);
    box-shadow: 0 6px 24px -6px var(--danger);
}
#micBtn.recording .mic-dot {
    animation: pulse 1s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50%      { opacity: 1;   }
}

/* ---------- History ---------- */
.history {
    background: #111114;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    margin-bottom: 18px;
}
.history-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.history-head h2 {
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 700;
}
.history-list { display: flex; flex-direction: column; gap: 10px; max-height: 340px; overflow-y: auto; padding-right: 4px; }
.history-list .empty { color: var(--muted-2); font-size: 13px; text-align: center; padding: 24px 0; }
.turn {
    background: #18181b;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
    border-left: 3px solid var(--accent);
}
.turn:nth-child(odd) { border-left-color: var(--success); }
.turn .src { font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.turn .dst { font-size: 15px; color: #f4f4f5; font-weight: 500; }
.turn .meta { font-size: 11px; color: var(--muted-2); margin-top: 6px; letter-spacing: 0.02em; }

/* ---------- Notice / Footer ---------- */
.notice {
    font-size: 12px;
    color: #fbbf24;
    background: rgba(245,158,11,0.08);
    border: 1px solid rgba(245,158,11,0.25);
    border-left: 3px solid #f59e0b;
    padding: 12px 14px;
    border-radius: 10px;
}
.notice p { margin: 2px 0; }
.notice .small { opacity: 0.75; color: #f59e0b; }

.site-footer {
    text-align: center;
    padding: 20px 16px 32px;
    font-size: 11px;
    color: var(--muted-2);
    letter-spacing: 0.02em;
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
    .panels { grid-template-columns: 1fr; }
    .brand h1 { font-size: 18px; }
    .brand .tagline { display: none; }
    .settings { gap: 8px; }
    .setting { min-width: 120px; flex: 1; }
    .panel textarea { min-height: 140px; font-size: 15px; }
}