:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --accent: #8b5cf6;
}

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

body {
    background: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.bg-animated {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    filter: blur(80px);
}

.blob {
    position: absolute;
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    opacity: 0.3;
    animation: move 20s infinite alternate;
}

.blob:nth-child(2) {
    background: #10b981;
    left: 60%;
    top: 20%;
    animation-delay: -5s;
}

.blob:nth-child(3) {
    background: #06b6d4;
    left: 20%;
    top: 60%;
    animation-delay: -10s;
}

@keyframes move {
    from { transform: translate(-10%, -10%) scale(1); }
    to { transform: translate(10%, 10%) scale(1.2); }
}

.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 48px;
    width: 100%;
    max-width: 480px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 1;
}

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

.logo .icon { font-size: 32px; }

.logo h1 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-dim);
    font-size: 14px;
    margin-bottom: 32px;
}

.auth-box { margin-bottom: 40px; }

.auth-box p {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 24px;
    color: var(--text-dim);
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 24px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.google-btn {
    background: white;
    color: #1f2937;
}

.google-btn:hover {
    background: #f3f4f6;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

footer p {
    font-size: 12px;
    color: var(--text-dim);
    opacity: 0.6;
}

.dashboard-page {
    display: flex;
    flex-direction: row;
    height: 100vh;
    overflow: hidden;
    padding: 0;
    justify-content: flex-start;
    align-items: stretch;
}

.sidebar {
    width: 220px;
    min-height: 100vh;
    background: rgba(255, 255, 255, 0.04);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 10;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 24px 20px;
    border-bottom: 1px solid var(--glass-border);
}

.sidebar-logo .icon { font-size: 22px; }

.sidebar-logo h1 {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    padding: 10px 14px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-dim);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
}

.nav-item:hover, .nav-item.active {
    background: rgba(99, 102, 241, 0.2);
    color: #fff;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-logout {
    display: block;
    text-align: center;
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-logout:hover { background: rgba(239, 68, 68, 0.3); }

.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}