@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg: #020408;
    --bg2: #0a0f1a;
    --surface: #0d0d1a;
    --surface2: #0d0d1a;
    --surface3: #1a1a24;
    --border: rgba(99,102,241,0.2);
    --panel: rgba(255,255,255,0.03);
    --panel-border: rgba(255,255,255,0.08);
    --panel-hover: rgba(255,255,255,0.06);
    --accent: #6366f1;
    --accent2: #8b5cf6;
    --accent-glow: rgba(99,102,241,0.3);
    --cyan: #06b6d4;
    --green: #10b981;
    --red: #ef4444;
    --yellow: #f59e0b;
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
    --text-2: #94a3b8;
    --text-3: #475569;
    --accent-hover: #818cf8;
    --border-hover: rgba(99,102,241,0.4);
    --text: #f1f5f9;
    --text2: #94a3b8;
    --text3: #475569;
    --sidebar-w: 240px;
    --radius: 12px;
    --radius-sm: 8px;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    min-height: 100vh;
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99,102,241,0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(6,182,212,0.08), transparent);
}

/* SIDEBAR */
.sidebar {
    width: var(--sidebar-w);
    height: 100vh;
    background: rgba(10,15,26,0.8);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--panel-border);
    position: fixed;
    left: 0; top: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-logo {
    padding: 20px;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, var(--accent), var(--cyan));
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    box-shadow: 0 0 20px var(--accent-glow);
}

.logo-text {
    font-weight: 700;
    font-size: 16px;
    background: linear-gradient(90deg, #fff, var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-section {
    padding: 12px;
    flex: 1;
}

.nav-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text3);
    padding: 0 8px;
    margin: 12px 0 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--text2);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s;
    margin-bottom: 2px;
    position: relative;
}

.nav-item:hover {
    background: var(--panel-hover);
    color: var(--text);
}

.nav-item.active {
    background: rgba(99,102,241,0.15);
    color: #a5b4fc;
    border: 1px solid rgba(99,102,241,0.2);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 25%; height: 50%;
    width: 3px;
    background: var(--accent);
    border-radius: 0 3px 3px 0;
    box-shadow: 0 0 8px var(--accent);
}

.nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--panel-border);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* THEME TOGGLE */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text2);
    font-size: 12px;
    font-weight: 500;
    transition: all 0.15s;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--text); }

.toggle-pill {
    width: 36px; height: 20px;
    background: var(--accent);
    border-radius: 10px;
    position: relative;
    transition: background 0.2s;
}
.toggle-pill::after {
    content: '';
    position: absolute;
    width: 14px; height: 14px;
    background: white;
    border-radius: 50%;
    top: 3px; right: 3px;
    transition: transform 0.2s;
}
.toggle-pill.off { background: var(--text3); }
.toggle-pill.off::after { transform: translateX(-16px); }

/* LANG SELECT */
.lang-select {
    padding: 8px 12px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-sm);
    color: var(--text2);
    font-size: 12px;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    width: 100%;
    transition: border-color 0.15s;
}
.lang-select:hover, .lang-select:focus { border-color: var(--accent); outline: none; color: var(--text); }

/* USER CHIP */
.user-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s;
}
.user-chip:hover { background: var(--panel-hover); }

.user-avatar {
    width: 30px; height: 30px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 700;
    flex-shrink: 0;
}

.user-info { flex: 1; }
.user-name { font-size: 12px; font-weight: 600; color: var(--text); }
.user-role { font-size: 10px; color: var(--text3); }
.user-status { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 6px var(--green); }

/* MAIN CONTENT */
.main-content {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    padding: 32px;
}

/* CARDS */
.card {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    transition: border-color 0.2s;
}
.card:hover { border-color: rgba(255,255,255,0.12); }

.stat-card {
    padding: 20px;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    right: 0; height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--cyan));
}
.stat-value { font-size: 28px; font-weight: 700; color: var(--text); }
.stat-label { font-size: 11px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 4px; }

/* TOPBAR */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}
.page-title {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(90deg, var(--text), var(--text2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* BUTTONS */
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-weight: 600;
    font-size: 13px;
    padding: 9px 18px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 15px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px var(--accent-glow); }

.btn-ghost {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-sm);
    color: var(--text2);
    font-size: 12px;
    padding: 6px 12px;
    cursor: pointer;
    transition: all 0.15s;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }

.btn-danger {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: var(--radius-sm);
    color: #fca5a5;
    font-size: 12px;
    padding: 6px 12px;
    cursor: pointer;
    transition: all 0.15s;
}
.btn-danger:hover { background: rgba(239,68,68,0.2); border-color: var(--red); }

/* INPUTS */
.input-field {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 13px;
    padding: 10px 14px;
    width: 100%;
    transition: border-color 0.15s;
    font-family: 'Inter', sans-serif;
}
.input-field:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(99,102,241,0.15); }
.input-field::placeholder { color: var(--text3); }

/* TABLE */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
    padding: 10px 16px;
    text-align: left;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text3);
    border-bottom: 1px solid var(--panel-border);
}
.data-table td {
    padding: 14px 16px;
    font-size: 13px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    color: var(--text2);
}
.data-table tr:hover td { background: var(--panel-hover); color: var(--text); }

/* BADGE */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}
.badge-admin { background: rgba(239,68,68,0.15); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }
.badge-super { background: rgba(245,158,11,0.15); color: #fcd34d; border: 1px solid rgba(245,158,11,0.3); }
.badge-employee { background: rgba(99,102,241,0.15); color: #a5b4fc; border: 1px solid rgba(99,102,241,0.3); }
.badge-manager { background: rgba(6,182,212,0.15); color: #67e8f9; border: 1px solid rgba(6,182,212,0.3); }
.badge-viewer { background: rgba(148,163,184,0.1); color: #94a3b8; border: 1px solid rgba(148,163,184,0.2); }

/* CHAT */
.chat-wrapper { display: flex; flex-direction: column; height: calc(100vh - 80px); }
.messages-zone { flex: 1; overflow-y: auto; padding: 20px 0; display: flex; flex-direction: column; gap: 16px; }
.messages-zone::-webkit-scrollbar { width: 4px; }
.messages-zone::-webkit-scrollbar-thumb { background: var(--panel-border); border-radius: 2px; }

.msg { display: flex; gap: 12px; max-width: 780px; animation: fadeUp 0.3s ease; }
.msg.user { flex-direction: row-reverse; margin-left: auto; }

@keyframes fadeUp { from { opacity:0; transform: translateY(8px); } to { opacity:1; transform: translateY(0); } }

.msg-avatar {
    width: 32px; height: 32px;
    border-radius: 9px;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; flex-shrink: 0;
}
.msg.ai { align-self: flex-start; }
.msg.user { align-self: flex-end; }
.msg.ai .msg-avatar { background: linear-gradient(135deg, #0f172a, #1e1b4b); border: 1px solid var(--panel-border); }
.msg.user .msg-avatar { background: linear-gradient(135deg, var(--accent), var(--accent2)); font-size: 11px; font-weight: 700; }

.msg-content { flex: 1; }
.msg-bubble {
    padding: 12px 16px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.6;
}
.msg.ai .msg-bubble {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 4px 14px 14px 14px;
    color: var(--text);
}
.msg.user .msg-bubble {
    background: linear-gradient(135deg, rgba(99,102,241,0.3), rgba(139,92,246,0.3));
    border: 1px solid rgba(99,102,241,0.3);
    border-radius: 14px 4px 14px 14px;
    color: var(--text);
}

.input-bar {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 14px;
    padding: 10px 12px 10px 16px;
    display: flex;
    align-items: flex-end;
    gap: 10px;
    transition: border-color 0.15s;
}
.input-bar:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }

.chat-textarea {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    resize: none;
    min-height: 24px;
    max-height: 120px;
    line-height: 1.5;
}
.chat-textarea::placeholder { color: var(--text3); }

.chat-send-btn {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    max-width: 36px !important;
    background: #6366f1 !important;
    border: none !important;
    border-radius: 8px !important;
    color: white !important;
    font-size: 0 !important;
    cursor: pointer !important;
    flex-shrink: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important;
    overflow: hidden !important;
    box-shadow: 0 0 14px rgba(99,102,241,0.3) !important;
}

/* LOGOUT */
.logout-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: #fca5a5;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.15s;
}
.logout-btn:hover { background: rgba(239,68,68,0.1); }

/* LIGHT MODE */
body.light {
    --bg: #f8fafc;
    --surface: #ffffff;
    --surface2: #f1f5f9;
    --surface3: #e2e8f0;
    --border: rgba(0,0,0,0.08);
    --text: #0f172a;
    --text2: #475569;
    --text3: #94a3b8;
    --text-2: #475569;
    --text-3: #94a3b8;
    background-image: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99,102,241,0.08), transparent);
}
body.light .sidebar { background: rgba(248,250,252,0.95); }
body.light .msg.ai .msg-bubble { background: white; }

/* ANIMATIONS */
.card { animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }