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

:root {
    --bg-primary: #0a0b10;
    --bg-secondary: #121420;
    --bg-card: #181b2d;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(99, 102, 241, 0.3);
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    overflow-x: hidden;
}

/* Auth Layout */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.03) 0%, transparent 40%);
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.auth-card:hover {
    border-color: var(--border-hover);
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), #10b981);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #ffffff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-header {
    text-align: center;
    margin-bottom: 25px;
}

.auth-header h1 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 16px;
    color: white;
    font-size: 15px;
    font-family: var(--font-sans);
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
    box-shadow: none;
}

.btn-danger {
    background: var(--danger);
}
.btn-danger:hover {
    background: #dc2626;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.alert {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger);
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 20px;
}

/* Dashboard Layout */
.dashboard-wrapper {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    position: fixed;
    height: 100vh;
    z-index: 10;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 40px;
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.03) 0%, transparent 50%);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: white;
    background: rgba(99, 102, 241, 0.1);
}

.nav-link.active {
    border-left: 3px solid var(--accent);
}

.nav-footer {
    margin-top: auto;
}

/* Dashboard Elements */
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
}

.header-title h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
}

.header-title p {
    color: var(--text-secondary);
}

.grid-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 35px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.stat-details h3 {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-details p {
    font-size: 28px;
    font-weight: 700;
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--accent);
}

/* Devices Table / Cards */
.section-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 20px;
    font-weight: 600;
}

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

.device-table th, .device-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.device-table th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.device-table td {
    font-size: 15px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-online {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-offline {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-secondary);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.btn-group {
    display: flex;
    gap: 8px;
}

.btn-sm {
    padding: 8px 14px;
    font-size: 13px;
    border-radius: 8px;
    cursor: pointer;
}

/* Drag & Drop File Container */
.file-upload-container {
    border: 2px dashed var(--border);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 15px;
    background: var(--bg-secondary);
}

.file-upload-container:hover {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.03);
}

.file-upload-container i {
    font-size: 30px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    display: block;
}

/* Responsive */
@media(max-width: 768px) {
    .sidebar {
        display: none;
    }
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
}