/* ============================================================
   MemoGraph — Premium UI Stylesheet
   Aesthetic: "Refined Intelligence" (Linear × Notion)
   ============================================================ */

/* === CSS VARIABLES === */
:root {
    --bg-primary: #0C0E14;
    --bg-secondary: #12151E;
    --bg-tertiary: #1A1D2B;
    --bg-hover: #222638;
    --bg-active: #2A2F45;

    --text-primary: #E8EAF0;
    --text-secondary: #8B90A5;
    --text-tertiary: #5A5F78;
    --text-inverse: #0C0E14;

    --accent: #4B7BF5;
    --accent-hover: #6190FF;
    --accent-subtle: rgba(75, 123, 245, 0.12);
    --accent-glow: rgba(75, 123, 245, 0.25);

    --success: #34C77B;
    --warning: #F5A623;
    --error: #E5484D;
    --info: #4B7BF5;

    --agent-general: #8B90A5;
    --agent-contracts: #F5A623;
    --agent-crm: #34C77B;
    --agent-codir: #E5484D;
    --agent-infra: #4B7BF5;
    --agent-bi: #A855F7;
    --agent-auto: #8B90A5;

    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --border-accent: rgba(75, 123, 245, 0.3);

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);

    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --transition-fast: 120ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    --header-h: 56px;
    --sidebar-w: 260px;
    --memory-w: 320px;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-body); background: var(--bg-primary); color: var(--text-primary); line-height: 1.55; overflow: hidden; height: 100vh; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; color: inherit; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }

/* === LOGIN SCREEN === */
.login-screen {
    position: fixed; inset: 0; z-index: 1000;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-primary);
}
.login-bg { position: absolute; inset: 0; overflow: hidden; }
.mesh-gradient {
    position: absolute; inset: -50%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(75, 123, 245, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(168, 85, 247, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(52, 199, 123, 0.04) 0%, transparent 50%);
    animation: meshMove 20s ease-in-out infinite;
}
@keyframes meshMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, -3%) rotate(1deg); }
    66% { transform: translate(-2%, 2%) rotate(-1deg); }
}
.login-card {
    position: relative; z-index: 1;
    width: 100%; max-width: 380px; padding: 48px 40px;
    text-align: center;
    animation: loginEnter 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes loginEnter {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.login-logo { margin-bottom: 24px; }
.login-title {
    font-size: 1.8rem; font-weight: 700; letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.login-tagline {
    color: var(--text-secondary); font-size: 0.93rem; margin-top: 6px; margin-bottom: 36px;
    font-weight: 400;
}
.login-form { display: flex; flex-direction: column; gap: 16px; }
.input-group input {
    width: 100%; padding: 13px 16px;
    background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: var(--radius-md); font-size: 0.95rem; color: var(--text-primary);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
    outline: none;
}
.input-group input::placeholder { color: var(--text-tertiary); }
.input-group input:focus {
    border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-subtle);
}
.login-error {
    color: var(--error); font-size: 0.85rem; padding: 8px 12px;
    background: rgba(229, 72, 77, 0.08); border-radius: var(--radius-sm);
    text-align: left;
}
.btn-primary {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 24px; background: var(--accent); color: #fff;
    border-radius: var(--radius-md); font-size: 0.95rem; font-weight: 600;
    transition: background var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-fast);
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: var(--shadow-glow); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.dot-pulse { display: flex; gap: 4px; }
.dot-pulse::before, .dot-pulse::after, .dot-pulse span {
    content: ''; width: 6px; height: 6px; border-radius: 50%; background: #fff;
    animation: dotPulse 1s ease-in-out infinite;
}
.dot-pulse::after { animation-delay: 0.2s; }
.dot-pulse span { animation-delay: 0.4s; }
@keyframes dotPulse {
    0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
    40% { opacity: 1; transform: scale(1); }
}

/* === APP LAYOUT === */
.app { display: flex; flex-direction: column; height: 100vh; }
.main-layout { display: flex; flex: 1; overflow: hidden; }

/* === HEADER === */
.header {
    height: var(--header-h); padding: 0 16px;
    display: flex; align-items: center; justify-content: space-between;
    background: var(--bg-secondary); border-bottom: 1px solid var(--border);
    flex-shrink: 0; z-index: 100;
}
.header-left, .header-right { display: flex; align-items: center; gap: 8px; }
.header-center { display: flex; align-items: center; }
.header-logo { display: flex; align-items: center; gap: 8px; }
.header-logo-text { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.02em; color: var(--text-primary); }
.icon-btn {
    width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm); color: var(--text-secondary);
    transition: background var(--transition-fast), color var(--transition-fast);
    position: relative;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.icon-btn-sm {
    width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm); color: var(--text-secondary);
    transition: background var(--transition-fast), color var(--transition-fast);
}
.icon-btn-sm:hover { background: var(--bg-hover); color: var(--text-primary); }
.kbd-hint {
    position: absolute; right: -2px; bottom: 0;
    font-size: 0.6rem; color: var(--text-tertiary); font-family: var(--font-mono);
    pointer-events: none;
}

/* Agent Selector */
.agent-selector { position: relative; }
.agent-btn {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 14px; border-radius: var(--radius-md);
    background: var(--bg-tertiary); border: 1px solid var(--border);
    font-size: 0.87rem; font-weight: 500; color: var(--text-primary);
    transition: border-color var(--transition-fast), background var(--transition-fast);
}
.agent-btn:hover { border-color: var(--border-hover); background: var(--bg-hover); }
.agent-dot {
    width: 8px; height: 8px; border-radius: 50%; background: var(--agent-auto);
    flex-shrink: 0;
}
.agent-dot-sm { width: 6px; height: 6px; border-radius: 50%; background: var(--agent-auto); flex-shrink: 0; }
.agent-dropdown {
    position: absolute; top: calc(100% + 6px); left: 50%; transform: translateX(-50%);
    min-width: 240px; padding: 6px;
    background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
    z-index: 200;
    animation: dropIn 0.15s ease;
}
@keyframes dropIn {
    from { opacity: 0; transform: translateX(-50%) translateY(-4px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.agent-option {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px; border-radius: var(--radius-sm); width: 100; font-size: 0.87rem;
    transition: background var(--transition-fast);
}
.agent-option:hover { background: var(--bg-hover); }
.agent-option.active { background: var(--accent-subtle); }
.agent-option-name { font-weight: 500; color: var(--text-primary); }
.agent-option-desc { font-size: 0.8rem; color: var(--text-tertiary); margin-left: auto; }

/* User menu */
.user-menu { position: relative; }
.user-dropdown {
    position: absolute; top: calc(100% + 6px); right: 0;
    min-width: 180px; padding: 6px;
    background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
    z-index: 200; animation: dropIn 0.15s ease;
}
.dropdown-item {
    display: flex; align-items: center; gap: 8px;
    padding: 9px 12px; border-radius: var(--radius-sm); width: 100%; font-size: 0.87rem;
    transition: background var(--transition-fast);
}
.dropdown-item:hover { background: var(--bg-hover); }
.dropdown-item.danger { color: var(--error); }
.dropdown-item.danger:hover { background: rgba(229, 72, 77, 0.08); }

/* === SIDEBAR === */
.sidebar {
    width: var(--sidebar-w); flex-shrink: 0;
    background: var(--bg-secondary); border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    transition: width var(--transition-slow), opacity var(--transition-slow);
    overflow: hidden;
}
.sidebar.collapsed { width: 0; opacity: 0; pointer-events: none; }
.sidebar-header { padding: 16px 14px 8px; }
.btn-new-chat {
    display: flex; align-items: center; gap: 8px; width: 100%;
    padding: 10px 14px; border-radius: var(--radius-md);
    background: var(--accent-subtle); color: var(--accent);
    font-size: 0.87rem; font-weight: 500;
    border: 1px solid transparent;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}
.btn-new-chat:hover { background: rgba(75,123,245,0.18); border-color: var(--border-accent); }
.conversations-list {
    flex: 1; overflow-y: auto; padding: 8px 8px 16px;
}
.conv-item {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 12px; border-radius: var(--radius-sm);
    cursor: pointer; font-size: 0.87rem; color: var(--text-secondary);
    transition: background var(--transition-fast), color var(--transition-fast);
    position: relative; group: true;
}
.conv-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.conv-item.active { background: var(--bg-active); color: var(--text-primary); }
.conv-item-title {
    flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.conv-item-time {
    font-size: 0.73rem; color: var(--text-tertiary); flex-shrink: 0;
}
.conv-item-delete {
    position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
    width: 24px; height: 24px; display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm); color: var(--text-tertiary);
    opacity: 0; transition: opacity var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}
.conv-item:hover .conv-item-delete { opacity: 1; }
.conv-item-delete:hover { color: var(--error); background: rgba(229,72,77,0.1); }
.sidebar-empty, .memory-empty {
    padding: 24px 16px; text-align: center; color: var(--text-tertiary); font-size: 0.85rem;
}

/* === CHAT AREA === */
.chat-area { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.chat-welcome {
    flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 40px; text-align: center; color: var(--text-secondary);
    animation: fadeIn 0.5s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.welcome-icon { margin-bottom: 24px; opacity: 0.7; }
.chat-welcome h2 { font-size: 1.4rem; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.chat-welcome p { font-size: 0.93rem; line-height: 1.6; max-width: 400px; }

.chat-messages {
    flex: 1; overflow-y: auto; padding: 20px 24px;
    display: flex; flex-direction: column; gap: 2px;
}

/* Messages */
.message {
    display: flex; gap: 12px; padding: 16px 0;
    animation: msgIn 0.3s ease;
    max-width: 780px; width: 100%; margin: 0 auto;
}
@keyframes msgIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.message-avatar {
    width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; font-weight: 600;
}
.message.user .message-avatar { background: var(--accent-subtle); color: var(--accent); }
.message.assistant .message-avatar { background: var(--bg-tertiary); color: var(--text-secondary); border: 1px solid var(--border); }
.message-body { flex: 1; min-width: 0; }
.message-header {
    display: flex; align-items: center; gap: 8px; margin-bottom: 4px;
}
.message-sender { font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); }
.message-time { font-size: 0.73rem; color: var(--text-tertiary); }
.message-content {
    font-size: 0.93rem; line-height: 1.65; color: var(--text-primary);
    word-wrap: break-word; overflow-wrap: break-word;
}
.message-content p { margin-bottom: 8px; }
.message-content p:last-child { margin-bottom: 0; }
.message-content ul, .message-content ol { margin: 8px 0; padding-left: 24px; }
.message-content li { margin-bottom: 4px; }
.message-content strong { font-weight: 600; }
.message-content em { font-style: italic; color: var(--text-secondary); }
.message-content h1, .message-content h2, .message-content h3 {
    margin: 16px 0 8px; font-weight: 600; color: var(--text-primary);
}
.message-content h1 { font-size: 1.3rem; }
.message-content h2 { font-size: 1.15rem; }
.message-content h3 { font-size: 1.02rem; }
.message-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.message-content blockquote {
    border-left: 3px solid var(--accent); padding: 8px 16px; margin: 8px 0;
    background: var(--accent-subtle); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
}

/* Code blocks */
.message-content code {
    font-family: var(--font-mono); font-size: 0.85em;
    background: var(--bg-tertiary); padding: 2px 6px; border-radius: 4px;
    color: var(--accent-hover);
}
.message-content pre {
    margin: 12px 0; border-radius: var(--radius-md); overflow: hidden;
    background: var(--bg-tertiary); border: 1px solid var(--border);
    position: relative;
}
.message-content pre code {
    display: block; padding: 16px; overflow-x: auto;
    background: transparent; border-radius: 0; color: var(--text-primary);
    font-size: 0.83rem; line-height: 1.5;
}
.code-copy-btn {
    position: absolute; top: 8px; right: 8px;
    padding: 4px 10px; font-size: 0.73rem; font-family: var(--font-mono);
    background: var(--bg-hover); color: var(--text-secondary);
    border-radius: var(--radius-sm); border: 1px solid var(--border);
    opacity: 0; transition: opacity var(--transition-fast);
}
.message-content pre:hover .code-copy-btn { opacity: 1; }
.code-copy-btn:hover { background: var(--bg-active); color: var(--text-primary); }

/* Typing indicator */
.typing-indicator {
    display: flex; gap: 4px; padding: 4px 0;
}
.typing-indicator span {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--text-tertiary);
    animation: typingBounce 1.2s ease-in-out infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.15s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

/* === CHAT INPUT === */
.chat-input-area {
    padding: 12px 24px 20px; flex-shrink: 0;
    max-width: 828px; width: 100%; margin: 0 auto;
}
.chat-input-wrapper {
    display: flex; align-items: flex-end; gap: 0;
    background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 8px 8px 8px 16px;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}
.chat-input-wrapper:focus-within {
    border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-subtle);
}
.input-agent-indicator {
    display: flex; align-items: center; gap: 5px; flex-shrink: 0;
    padding: 6px 0; margin-right: 8px;
}
.input-agent-text { font-size: 0.78rem; color: var(--text-tertiary); font-weight: 500; }
#chat-input {
    flex: 1; resize: none; border: none; outline: none;
    background: transparent; font-size: 0.93rem; color: var(--text-primary);
    line-height: 1.5; padding: 6px 0;
    max-height: 120px; min-height: 22px;
}
#chat-input::placeholder { color: var(--text-tertiary); }
.input-actions { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.btn-send {
    width: 34px; height: 34px; display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-md); background: var(--accent); color: #fff;
    transition: background var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
}
.btn-send:hover:not(:disabled) { background: var(--accent-hover); }
.btn-send:active:not(:disabled) { transform: scale(0.94); }
.btn-send:disabled { opacity: 0.3; cursor: default; }

/* Upload progress */
.upload-progress {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 16px; margin-top: 8px;
    background: var(--bg-tertiary); border-radius: var(--radius-sm);
    font-size: 0.82rem; color: var(--text-secondary);
}
.upload-progress-bar {
    flex: 1; height: 3px; background: var(--bg-hover); border-radius: 2px; overflow: hidden;
}
.upload-progress-fill {
    height: 100%; width: 0%; background: var(--accent);
    border-radius: 2px; transition: width 0.3s ease;
}

/* === MEMORY PANEL === */
.memory-panel {
    width: var(--memory-w); flex-shrink: 0;
    background: var(--bg-secondary); border-left: 1px solid var(--border);
    display: flex; flex-direction: column;
    transition: width var(--transition-slow), opacity var(--transition-slow);
    overflow: hidden;
}
.memory-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 16px 12px; border-bottom: 1px solid var(--border);
}
.memory-header h3 { font-size: 0.93rem; font-weight: 600; }
.memory-content { flex: 1; overflow-y: auto; padding: 4px 0; }
.memory-section { padding: 12px 16px; border-bottom: 1px solid var(--border); }
.memory-section:last-child { border-bottom: none; }
.memory-section-title {
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.05em; color: var(--text-tertiary); margin-bottom: 10px;
}

/* Stats */
.memory-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat-item {
    text-align: center; padding: 10px 4px;
    background: var(--bg-tertiary); border-radius: var(--radius-sm);
}
.stat-value { display: block; font-size: 1.2rem; font-weight: 700; color: var(--accent); }
.stat-label { display: block; font-size: 0.72rem; color: var(--text-tertiary); margin-top: 2px; }

/* Entities */
.entity-item {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 10px; border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}
.entity-item:hover { background: var(--bg-hover); }
.entity-type-badge {
    font-size: 0.68rem; font-weight: 600; text-transform: uppercase;
    padding: 2px 6px; border-radius: 3px;
    background: var(--accent-subtle); color: var(--accent);
    flex-shrink: 0;
}
.entity-name { font-size: 0.85rem; font-weight: 500; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.entity-temp {
    width: 40px; height: 4px; border-radius: 2px; background: var(--bg-hover);
    overflow: hidden; flex-shrink: 0;
}
.entity-temp-fill { height: 100%; border-radius: 2px; background: var(--accent); }

/* Facts */
.fact-item {
    padding: 8px 10px; border-radius: var(--radius-sm);
    font-size: 0.83rem; color: var(--text-secondary); line-height: 1.45;
    border-left: 2px solid var(--border); margin-bottom: 6px;
    transition: border-color var(--transition-fast);
}
.fact-item:hover { border-color: var(--accent); }

/* Relations */
.relation-item {
    display: flex; align-items: center; gap: 6px;
    padding: 6px 10px; font-size: 0.82rem; color: var(--text-secondary);
}
.relation-source, .relation-target {
    padding: 2px 8px; background: var(--bg-tertiary); border-radius: var(--radius-sm);
    font-weight: 500; color: var(--text-primary); font-size: 0.8rem;
}
.relation-type {
    font-size: 0.73rem; color: var(--text-tertiary); font-style: italic;
}
.relation-arrow { color: var(--text-tertiary); }

/* === SEARCH MODAL === */
.modal-overlay {
    position: fixed; inset: 0; z-index: 500;
    background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(4px);
    display: flex; align-items: flex-start; justify-content: center;
    padding-top: 15vh;
    animation: fadeIn 0.15s ease;
}
.search-modal {
    width: 100%; max-width: 560px;
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: modalIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes modalIn {
    from { opacity: 0; transform: scale(0.96) translateY(-8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.search-input-wrapper {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 18px; border-bottom: 1px solid var(--border);
    color: var(--text-tertiary);
}
.search-input-wrapper input {
    flex: 1; border: none; outline: none; background: transparent;
    font-size: 1rem; color: var(--text-primary);
}
.search-input-wrapper input::placeholder { color: var(--text-tertiary); }
.kbd {
    font-family: var(--font-mono); font-size: 0.7rem; padding: 3px 6px;
    background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: 4px; color: var(--text-tertiary);
}
.search-results { max-height: 340px; overflow-y: auto; padding: 8px; }
.search-empty { padding: 24px; text-align: center; color: var(--text-tertiary); font-size: 0.87rem; }
.search-result-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; border-radius: var(--radius-sm);
    cursor: pointer; transition: background var(--transition-fast);
}
.search-result-item:hover { background: var(--bg-hover); }
.search-result-type { font-size: 0.68rem; font-weight: 600; text-transform: uppercase; color: var(--accent); }
.search-result-text { font-size: 0.87rem; color: var(--text-primary); flex: 1; }
.search-result-context { font-size: 0.75rem; color: var(--text-tertiary); }

/* === TOASTS === */
.toast-container {
    position: fixed; top: 16px; right: 16px; z-index: 9999;
    display: flex; flex-direction: column; gap: 8px;
    pointer-events: none;
}
.toast {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 18px; border-radius: var(--radius-md);
    background: var(--bg-tertiary); border: 1px solid var(--border);
    box-shadow: var(--shadow-md); font-size: 0.87rem; color: var(--text-primary);
    pointer-events: auto; max-width: 380px;
    animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--error); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info { border-left: 3px solid var(--info); }
@keyframes toastIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}
.toast-exit {
    animation: toastOut 0.25s ease forwards;
}
@keyframes toastOut {
    to { opacity: 0; transform: translateX(20px); }
}

/* === DRAG & DROP === */
.drop-overlay {
    position: fixed; inset: 0; z-index: 600;
    background: rgba(12, 14, 20, 0.85); backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
}
.drop-content {
    text-align: center; color: var(--accent);
    border: 2px dashed var(--accent); border-radius: var(--radius-xl);
    padding: 60px 80px;
}
.drop-content p { margin-top: 12px; font-size: 1.1rem; font-weight: 500; }

/* === SKELETON LOADER === */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
.skeleton-line { height: 14px; margin-bottom: 8px; }
.skeleton-line.short { width: 60%; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .sidebar { position: fixed; left: 0; top: var(--header-h); bottom: 0; z-index: 50; }
    .sidebar.collapsed { transform: translateX(-100%); width: var(--sidebar-w); }
    .memory-panel { position: fixed; right: 0; top: var(--header-h); bottom: 0; z-index: 50; }
}
@media (max-width: 768px) {
    :root { --sidebar-w: 100vw; --memory-w: 100vw; }
    .kbd-hint { display: none; }
}