/* Login Overlay & Card */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(15, 18, 24, 0.8) 0%, #0a0c10 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5000;
}

.login-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 48px;
    width: 100%;
    max-width: 420px;
    text-align: center;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6);
    animation: loginFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 140%;
    height: 140%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(138, 43, 226, 0.1) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

@keyframes loginFadeIn {
    from { opacity: 0; transform: scale(0.95) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.login-logo {
    margin-bottom: 32px;
}

.login-logo .logo-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 12px;
}

.login-logo h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -1px;
}

.login-logo h1 span {
    color: var(--accent-primary);
}

.login-card h2 {
    font-size: 24px;
    margin-bottom: 8px;
}

.login-subtitle {
    color: var(--text-dim);
    font-size: 14px;
    margin-bottom: 32px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.login-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.login-input-group .input-icon {
    position: absolute;
    left: 16px;
    width: 20px;
    height: 20px;
    color: var(--text-dim);
    transition: var(--transition-smooth);
}

.login-input-group input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 14px 14px 14px 48px;
    color: white;
    font-size: 15px;
    outline: none;
    transition: var(--transition-smooth);
}

.login-input-group input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px rgba(138, 43, 226, 0.2);
}

.login-input-group:focus-within .input-icon {
    color: var(--accent-primary);
}

.login-btn {
    background: linear-gradient(135deg, var(--accent-primary), #9d4edd);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: var(--transition-smooth);
    margin-top: 10px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(138, 43, 226, 0.4);
}

.error-msg {
    color: #ff453a;
    font-size: 13px;
    min-height: 18px;
}