/* ===== Base Styles ===== */
:root {
    --bg: #1a1a2e;
    --bg-panel: #16213e;
    --bg-input: #0f3460;
    --bg-hover: #1a3a6b;
    --text: #e0e0e0;
    --text-dim: #8892b0;
    --accent: #e94560;
    --accent-hover: #ff6b6b;
    --accent2: #4ecca3;
    --border: #2a3a5c;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --radius: 8px;
}

/* ===== Sticky Memory Bar ===== */
.sticky-mem-bar {
    position: sticky;
    top: 0;
    z-index: 200;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 6px 12px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.sticky-vram-row, .sticky-ram-row {
    display: flex;
    align-items: center;
    gap: 8px;
}
.sticky-ram-row { margin-top: 4px; }
.sticky-ram-row.hidden { display: none; }
.sticky-label {
    font-size: 0.8em;
    font-weight: 600;
    color: var(--text-dim);
    min-width: 60px;
}
.sticky-bar-container {
    position: relative;
    flex: 1;
    height: 22px;
    background: var(--bg);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border);
}
.sticky-bar {
    height: 100%;
    background: linear-gradient(90deg, #4ecca3, #e9c46a);
    border-radius: 3px;
    transition: width 0.3s;
    width: 0%;
}
.sticky-bar.warning { background: linear-gradient(90deg, #e9c46a, #f4a261); }
.sticky-bar.danger { background: linear-gradient(90deg, #f4a261, #e94560); }
.ram-sticky-bar { background: linear-gradient(90deg, #4e9cca, #4ecca3); }
.sticky-bar-text {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.75em;
    font-weight: 600;
    color: white;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
    white-space: nowrap;
}

/* ===== Inline Memory Config ===== */
.inline-memory-config { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--border); }
.inline-memory-config.hidden { display: none; }
.memory-input-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.memory-input-row label { font-size: 0.85em; color: var(--text-dim); }
.memory-input-row input {
    background: var(--bg-input); border: 1px solid var(--border); color: var(--text);
    padding: 6px 10px; border-radius: 4px; width: 100px;
}
.memory-unit { font-size: 0.85em; color: var(--text-dim); }

/* ===== Parameter Items (show long flag) ===== */
.param-item .param-flag-long {
    font-family: monospace;
    font-size: 0.8em;
    color: var(--text-dim);
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 3px;
    min-width: 80px;
    text-align: center;
    flex-shrink: 0;
}

/* ===== Command Hints ===== */
.command-hint { margin-top: 8px; font-size: 0.85em; }
.hint-error { color: var(--accent); padding: 6px 10px; background: rgba(233, 69, 96, 0.1); border-radius: 4px; margin-bottom: 4px; border-left: 3px solid var(--accent); }
.hint-warning { color: #e9c46a; padding: 6px 10px; background: rgba(233, 196, 106, 0.1); border-radius: 4px; margin-bottom: 4px; border-left: 3px solid #e9c46a; }
.hint-info { color: var(--text-dim); padding: 6px 10px; background: rgba(136, 146, 176, 0.1); border-radius: 4px; margin-bottom: 4px; border-left: 3px solid var(--text-dim); }
.hint-ok { color: var(--accent2); padding: 6px 10px; background: rgba(78, 204, 163, 0.1); border-radius: 4px; margin-bottom: 4px; border-left: 3px solid var(--accent2); }

/* ===== Natural Language Textarea ===== */
.nl-input-container { display: flex; gap: 8px; align-items: flex-end; }
.nl-input-container textarea {
    flex: 1; background: var(--bg-input); border: 1px solid var(--border); color: var(--text);
    padding: 10px 14px; border-radius: var(--radius); font-size: 0.95em; resize: vertical; font-family: inherit;
    line-height: 1.5;
}
.nl-input-container textarea:focus { outline: none; border-color: var(--accent); }
.nl-input-container button { padding: 10px 24px; background: var(--accent2); color: var(--bg); border: none; border-radius: var(--radius); cursor: pointer; font-weight: 600; flex-shrink: 0; }
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

#app, #admin-app {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== Header ===== */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

header h1 {
    font-size: 1.8em;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-right { display: flex; gap: 12px; align-items: center; }

.admin-link {
    color: var(--accent2);
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid var(--accent2);
    border-radius: var(--radius);
    transition: all 0.2s;
    font-size: 0.9em;
}
.admin-link:hover { background: var(--accent2); color: var(--bg); }

.btn-logout {
    padding: 8px 16px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.9em;
}
.btn-logout:hover { background: var(--accent-hover); }

/* ===== Login Screen ===== */
.login-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.login-box {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    min-width: 320px;
}

.login-box h2 {
    color: var(--accent2);
    margin-bottom: 20px;
}

.login-box input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius);
    font-size: 1em;
    margin-bottom: 12px;
}

.login-box .btn-primary { width: 100%; }

.login-error { color: var(--accent); margin-top: 8px; font-size: 0.9em; }

/* ===== Top Controls ===== */
.top-controls { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }

.control-group { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 200px; }

.control-group label { font-size: 0.85em; color: var(--text-dim); font-weight: 500; }

.control-group input, .control-group select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 0.95em;
}
.control-group input:focus, .control-group select:focus { outline: none; border-color: var(--accent); }

/* ===== Mode Switch ===== */
.mode-switch { display: flex; gap: 0; flex: 1; }

.mode-btn {
    flex: 1;
    padding: 8px 16px;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.9em;
}
.mode-btn:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.mode-btn:last-child { border-radius: 0 var(--radius) var(--radius) 0; border-left: none; }
.mode-btn.active { background: var(--accent); color: white; border-color: var(--accent); }

/* ===== Panels ===== */
.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.panel h2 { font-size: 1.2em; margin-bottom: 16px; color: var(--accent2); border-bottom: 1px solid var(--border); padding-bottom: 8px; }

.hidden { display: none !important; }

/* ===== GPU Slots ===== */
.gpu-slot { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; padding: 10px; background: var(--bg-input); border-radius: var(--radius); border: 1px solid var(--border); }
.gpu-slot .gpu-index { font-weight: bold; color: var(--accent); min-width: 30px; }
.gpu-slot select { flex: 1; background: var(--bg); border: 1px solid var(--border); color: var(--text); padding: 6px 10px; border-radius: 4px; }
.gpu-slot .vram-info { color: var(--accent2); font-size: 0.9em; min-width: 120px; }
.gpu-slot .btn-remove { background: var(--accent); color: white; border: none; width: 28px; height: 28px; border-radius: 4px; cursor: pointer; font-size: 1.1em; display: flex; align-items: center; justify-content: center; }

.btn-add { background: transparent; border: 1px dashed var(--border); color: var(--text-dim); padding: 8px 16px; border-radius: var(--radius); cursor: pointer; width: 100%; margin-top: 8px; }
.btn-add:hover { border-color: var(--accent2); color: var(--accent2); }

/* ===== VRAM Display ===== */
.vram-display { margin-top: 16px; padding: 12px; background: var(--bg-input); border-radius: var(--radius); }
.vram-bar-container { position: relative; height: 30px; background: var(--bg); border-radius: 4px; overflow: hidden; border: 1px solid var(--border); }
.vram-bar { height: 100%; background: linear-gradient(90deg, #4ecca3, #e9c46a); border-radius: 3px; transition: width 0.3s; width: 0%; }
.vram-bar.warning { background: linear-gradient(90deg, #e9c46a, #f4a261); }
.vram-bar.danger { background: linear-gradient(90deg, #f4a261, #e94560); }
.ram-bar { background: linear-gradient(90deg, #4e9cca, #4ecca3); }
.vram-label { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 0.85em; font-weight: 600; color: white; text-shadow: 1px 1px 2px rgba(0,0,0,0.8); white-space: nowrap; }
.vram-breakdown { margin-top: 10px; font-size: 0.85em; color: var(--text-dim); display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 6px; }
.vram-breakdown .breakdown-item { display: flex; justify-content: space-between; padding: 4px 8px; background: var(--bg); border-radius: 4px; }

/* ===== Model Selection (two-step) ===== */
.model-step { margin-bottom: 12px; }
.model-step.hidden { display: none; }
.model-step-label { display: block; font-size: 0.85em; color: var(--text-dim); margin-bottom: 6px; }
.model-select-container { position: relative; }
.model-select-container input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 0.95em;
}
.model-select-container input:focus { outline: none; border-color: var(--accent); }

.model-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    max-height: 300px;
    overflow-y: auto;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 0 0 var(--radius) var(--radius);
    z-index: 100;
}

.model-option {
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.model-option:hover { background: var(--bg-hover); }
.model-name { font-size: 0.9em; }
.model-meta { font-size: 0.8em; color: var(--text-dim); }

.quant-btn {
    display: inline-flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 8px 16px; background: var(--bg-input); border: 1px solid var(--border);
    color: var(--text); border-radius: var(--radius); cursor: pointer; font-size: 0.85em; margin-right: 8px; margin-bottom: 8px; transition: all 0.15s;
}
.quant-btn:hover { border-color: var(--accent2); }
.quant-btn.active { background: var(--accent); color: white; border-color: var(--accent); }
.quant-size { font-size: 0.75em; color: var(--text-dim); }
.quant-btn.active .quant-size { color: rgba(255,255,255,0.8); }

.model-selected-info { margin-top: 12px; }
.model-detail { display: flex; gap: 12px; flex-wrap: wrap; font-size: 0.85em; }
.detail-item { background: var(--bg-input); padding: 4px 10px; border-radius: 4px; }
.detail-item b { color: var(--accent2); }

/* ===== Natural Language ===== */
.nl-result { margin-top: 10px; font-size: 0.9em; color: var(--text-dim); }
.parsed-param { display: inline-block; margin: 2px 4px; padding: 2px 8px; background: var(--bg-input); border-radius: 4px; border: 1px solid var(--border); }
.parsed-param .key { color: var(--accent2); }
.parsed-param .value { color: var(--accent); }

/* ===== Parameter Tabs ===== */
.param-tabs { display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap; }
.tab-btn { padding: 6px 14px; background: var(--bg-input); border: 1px solid var(--border); color: var(--text-dim); border-radius: var(--radius); cursor: pointer; font-size: 0.85em; }
.tab-btn.active { background: var(--accent); color: white; border-color: var(--accent); }

/* ===== Param Search ===== */
.param-search-container { margin-bottom: 12px; position: relative; }
.param-search-container input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 0.9em;
}
.param-search-container input:focus { outline: none; border-color: var(--accent); }
.search-hint { font-size: 0.8em; color: var(--text-dim); margin-left: 8px; }

/* ===== Settings (wide textarea) ===== */
.settings-form .setting-item-wide { grid-column: 1 / -1; }
.settings-form textarea {
    background: var(--bg-input); border: 1px solid var(--border); color: var(--text);
    padding: 8px 12px; border-radius: var(--radius); font-size: 0.85em; resize: vertical; width: 100%; font-family: inherit;
}

/* ===== Parameter Items (one per line) ===== */
#param-container { display: flex; flex-direction: column; gap: 6px; }

.param-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg-input);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: border-color 0.15s;
}
.param-item:hover { border-color: var(--accent2); }
.param-item.modified { border-color: var(--accent); background: rgba(233, 69, 96, 0.05); }

.param-item .param-flag {
    font-family: monospace;
    font-size: 0.8em;
    color: var(--accent2);
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 3px;
    min-width: 80px;
    text-align: center;
    flex-shrink: 0;
}

.param-item .vram-badge {
    color: var(--accent);
    font-size: 0.7em;
    flex-shrink: 0;
}

.param-item .param-desc-text {
    font-size: 0.85em;
    color: var(--text-dim);
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.param-item input[type="text"],
.param-item input[type="number"],
.param-item select {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 5px 8px;
    border-radius: 4px;
    font-size: 0.85em;
    width: 200px;
    flex-shrink: 0;
}
.param-item input:focus, .param-item select:focus { outline: none; border-color: var(--accent); }

.param-item input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; flex-shrink: 0; }

.param-item .param-unit {
    font-size: 0.8em;
    color: var(--text-dim);
    flex-shrink: 0;
    min-width: 40px;
}

/* ===== Toggle Advanced ===== */
.btn-toggle-advanced { margin-top: 8px; padding: 8px 16px; background: transparent; border: 1px solid var(--border); color: var(--text-dim); border-radius: var(--radius); cursor: pointer; font-size: 0.85em; width: 100%; }
.btn-toggle-advanced:hover { border-color: var(--accent); color: var(--accent); }

/* ===== Command Output ===== */
.command-panel { position: sticky; bottom: 20px; }
.command-output { background: #0d1117; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; font-family: 'Cascadia Code', 'Fira Code', monospace; font-size: 0.9em; color: #4ecca3; word-break: break-all; min-height: 60px; white-space: pre-wrap; }
.command-actions { margin-top: 12px; display: flex; gap: 8px; }
.btn-copy, .btn-gen { padding: 8px 20px; border: none; border-radius: var(--radius); cursor: pointer; font-size: 0.9em; font-weight: 500; }
.btn-copy { background: var(--accent2); color: var(--bg); }
.btn-copy:hover { opacity: 0.85; }
.btn-gen { background: var(--bg-input); color: var(--text); border: 1px solid var(--border); }

/* ===== Admin ===== */
.admin-tabs { display: flex; gap: 4px; margin-bottom: 20px; flex-wrap: wrap; }
.admin-tab { padding: 8px 20px; background: var(--bg-input); border: 1px solid var(--border); color: var(--text-dim); border-radius: var(--radius); cursor: pointer; }
.admin-tab.active { background: var(--accent); color: white; border-color: var(--accent); }
.admin-section { display: none; }
.admin-section.active { display: block; }
.admin-add-form { background: var(--bg-input); border-radius: var(--radius); padding: 16px; margin-bottom: 20px; border: 1px solid var(--border); }
.admin-add-form h3 { margin-bottom: 12px; color: var(--accent2); font-size: 1em; }
.form-row { display: flex; gap: 8px; flex-wrap: wrap; }
.form-row input { flex: 1; min-width: 120px; padding: 6px 10px; background: var(--bg); border: 1px solid var(--border); color: var(--text); border-radius: 4px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; }
.form-grid input, .form-grid select { padding: 6px 10px; background: var(--bg); border: 1px solid var(--border); color: var(--text); border-radius: 4px; }
.btn-primary { padding: 8px 20px; background: var(--accent); color: white; border: none; border-radius: var(--radius); cursor: pointer; font-weight: 500; margin-top: 8px; }
.btn-primary:hover { background: var(--accent-hover); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.85em; }
.admin-table th, .admin-table td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); }
.admin-table th { color: var(--accent2); font-weight: 600; }
.admin-table tr:hover { background: var(--bg-input); }
.admin-table .btn-action { padding: 4px 10px; border: none; border-radius: 4px; cursor: pointer; font-size: 0.85em; margin-right: 4px; }
.btn-edit { background: var(--accent2); color: var(--bg); }
.btn-delete { background: var(--accent); color: white; }
.admin-table input, .admin-table select { background: var(--bg); border: 1px solid var(--border); color: var(--text); padding: 4px 6px; border-radius: 3px; width: 100%; }
.settings-form { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; margin-bottom: 16px; }
.settings-form .setting-item { display: flex; flex-direction: column; gap: 4px; }
.settings-form label { font-size: 0.85em; color: var(--text-dim); }
.settings-form input { background: var(--bg-input); border: 1px solid var(--border); color: var(--text); padding: 8px 12px; border-radius: var(--radius); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .top-controls { flex-direction: column; }
    .param-item { flex-wrap: wrap; }
    .param-item .param-desc-text { white-space: normal; }
    .param-item input[type="text"], .param-item input[type="number"], .param-item select { width: 150px; }
    .form-row { flex-direction: column; }
}