:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #13131e;
    --bg-card: rgba(255,255,255,0.04);
    --border: rgba(255,255,255,0.08);
    --border-hover: rgba(255,255,255,0.15);
    --accent: #6c63ff;
    --accent-2: #3b82f6;
    --accent-gradient: linear-gradient(135deg, #6c63ff 0%, #3b82f6 100%);
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #606078;
    --success: #10b981;
    --error: #ef4444;
    --radius: 14px;
    --radius-sm: 8px;
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #6c63ff, transparent);
    top: -20%; left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, #3b82f6, transparent);
    bottom: -20%; right: -10%;
    animation-delay: -3s;
}

.orb-3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, #10b981, transparent);
    top: 50%; left: 60%;
    animation-delay: -6s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -30px) scale(1.05); }
    66% { transform: translate(-15px, 20px) scale(0.95); }
}

/* Login Container */
.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 1.5rem;
}

.login-card {
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 24px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.03);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 2rem;
}

.logo-icon {
    width: 44px; height: 44px;
    background: var(--accent-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 16px rgba(108,99,255,0.4);
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-accent { color: var(--accent); }

/* Title */
.login-title {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.4rem;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    font-weight: 400;
}

/* Form */
.login-form { display: flex; flex-direction: column; gap: 1rem; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}

.form-input {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    padding: 0.75rem 1rem;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    outline: none;
    width: 100%;
}

.form-input::placeholder { color: var(--text-muted); }

.form-input:focus {
    border-color: var(--accent);
    background: rgba(108,99,255,0.05);
    box-shadow: 0 0 0 3px rgba(108,99,255,0.12);
}

.field-error {
    font-size: 0.8rem;
    color: var(--error);
    display: flex;
    align-items: center;
    gap: 4px;
}

.form-error {
    background: rgba(239,68,68,0.08);
    border: 1px solid rgba(239,68,68,0.2);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    color: #fca5a5;
}

/* Login Button */
.btn-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.85rem 1.5rem;
    width: 100%;
    text-decoration: none;
    transition: opacity 0.2s, transform 0.1s, box-shadow 0.2s;
    box-shadow: 0 4px 16px rgba(108,99,255,0.35);
    margin-top: 0.5rem;
}

.btn-login:hover {
    opacity: 0.92;
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(108,99,255,0.45);
}

.btn-login:active { transform: translateY(0); }

/* Messages */
.messages { margin-bottom: 1rem; display: flex; flex-direction: column; gap: 8px; }

.alert {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.6rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.alert-error, .alert-danger {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.2);
    color: #fca5a5;
}

.alert-success {
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.2);
    color: #6ee7b7;
}

@media (max-width: 480px) {
    .login-card { padding: 2rem 1.5rem; border-radius: 20px; }
    .login-title { font-size: 1.4rem; }
}