:root {
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.5);
    --secondary: #a855f7;
    --accent: #06b6d4;
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sidebar-width: 280px;
    --header-height: 80px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Elements */
.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    z-index: -1;
    filter: blur(80px);
}

.bg-glow-2 {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.3) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    z-index: -1;
    filter: blur(60px);
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    height: 100vh;
    position: fixed;
    padding: 2rem 1.2rem;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 100;
    scrollbar-width: thin;
    scrollbar-color: var(--glass-border) transparent;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 3rem;
    overflow: visible;
    white-space: nowrap;
}

.logo-icon {
    width: 38px;
    height: 38px;
    min-width: 38px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.85rem;
    box-shadow: 0 0 20px var(--primary-glow);
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-label {
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 1rem;
    display: block;
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.8rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 12px;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

.nav-link.active {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.15), transparent);
    border-left: 3px solid var(--primary);
}

.nav-link i {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem 3rem;
}

header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-card);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    border: 1px solid var(--glass-border);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #ccc;
    object-fit: cover;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 1.5rem;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin: 0.5rem 0;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.stat-trend {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

.trend-up { color: #10b981; }
.trend-down { color: #ef4444; }

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Utilities */
.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #b91c1c);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.6);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.toast {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 1rem 1.5rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-main);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    animation: slideIn 0.3s ease-out forwards;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Loading States */
.shimmer {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes pulseWave {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(2); opacity: 0; }
}

@keyframes shake {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(-2px, -2px); }
    50% { transform: translate(2px, 2px); }
    75% { transform: translate(-2px, 2px); }
}

@keyframes scanLine {
    0% { top: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* Responsive Table */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

td {
    padding: 1rem;
    border-top: 1px solid var(--glass-border);
}

@media (max-width: 1024px) {
    .sidebar {
        width: 80px;
        padding: 2rem 0.5rem;
    }
    .logo-text, .nav-label, .nav-link span {
        display: none;
    }
    .main-content {
        margin-left: 80px;
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        display: block; /* Show as overlay */
    }
    .sidebar.active {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    #mobile-menu-toggle {
        display: flex !important;
    }
    .main-content {
        padding: 1.5rem 1rem;
    }
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    .responsive-layout {
        grid-template-columns: 1fr !important;
    }
    /* Stacking form columns on mobile */
    div[style*="grid-template-columns: 1fr 1fr"],
    div[style*="grid-template-columns: repeat(3, 1fr)"] {
        grid-template-columns: 1fr !important;
    }
    .card {
        padding: 1.2rem;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.2rem;
    }
    .stat-value {
        font-size: 1.5rem;
    }
    .btn {
        width: 100%;
    }
    #map-container {
        height: 300px !important;
    }
}

/* ============================================
   VIRTUAL KEYBOARD STYLES
   ============================================ */
.vk-key {
    width: 42px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: default;
    transition: all 0.08s ease;
    position: relative;
    user-select: none;
    flex-shrink: 0;
}

/* Currently pressed key — glowing purple */
.vk-key.vk-active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 18px var(--primary-glow), 0 0 40px rgba(99, 102, 241, 0.25);
    transform: scale(0.92);
}

/* Already tested key — green tint */
.vk-key.vk-tested {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.5);
    color: #10b981;
}

/* Active + Tested combined */
.vk-key.vk-active.vk-tested {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 18px var(--primary-glow), 0 0 40px rgba(99, 102, 241, 0.25);
}

/* Hover hint */
.vk-key:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.06);
}

.vk-key.vk-tested:hover {
    border-color: rgba(16, 185, 129, 0.7);
}

/* Responsive virtual keyboard */
@media (max-width: 1200px) {
    .vk-key {
        width: 36px;
        height: 34px;
        font-size: 0.65rem;
        border-radius: 6px;
    }
    .vk-key[data-code="Space"] {
        width: 220px !important;
    }
    .vk-key[data-code="Backspace"] {
        width: 72px !important;
    }
    .vk-key[data-code="Tab"] {
        width: 54px !important;
    }
    .vk-key[data-code="CapsLock"] {
        width: 66px !important;
    }
    .vk-key[data-code="Enter"] {
        width: 82px !important;
    }
    .vk-key[data-code="ShiftLeft"] {
        width: 88px !important;
    }
    .vk-key[data-code="ShiftRight"] {
        width: 96px !important;
    }
    #virtual-keyboard .vk-row {
        gap: 3px !important;
    }
}

@keyframes keyPulse {
    0% { box-shadow: 0 0 10px var(--primary-glow); }
    50% { box-shadow: 0 0 25px var(--primary-glow), 0 0 50px rgba(99, 102, 241, 0.2); }
    100% { box-shadow: 0 0 10px var(--primary-glow); }
}

.vk-key.vk-active {
    animation: keyPulse 0.3s ease;
}