/* login.css */
body {
    font-family: 'Inter', Arial, sans-serif;
    background: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 50%, #262626 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(51, 51, 51, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(51, 51, 51, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.login-container {
    background: linear-gradient(145deg, #ffffff, #f5f5f5);
    padding: 50px 45px;
    border-radius: 24px;
    box-shadow: 
        0 25px 80px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    width: 380px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #1a1a1a, #404040, #1a1a1a);
}

.login-container h2 {
    margin-bottom: 8px;
    color: #1a1a1a;
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
}

.login-container h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #1a1a1a, #404040);
    border-radius: 2px;
}

.login-container h3 {
    margin: 25px 0 35px 0;
    color: #666;
    font-size: 15px;
    font-weight: 500;
}

.login-container .input-group {
    position: relative;
    margin-bottom: 22px;
    text-align: left;
}

.login-container label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.login-container label[for="password"] {
    margin-top: 25px;
}

.login-container input {
    width: 100%;
    padding: 16px 18px;
    border-radius: 12px;
    border: 2px solid #e0e0e0;
    font-size: 15px;
    transition: all 0.3s ease;
    background: #fafafa;
    color: #1a1a1a;
    font-weight: 500;
}

.login-container input::placeholder {
    color: #999;
}

.login-container input:focus {
    outline: none;
    border-color: #333333;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(51, 51, 51, 0.1), 0 4px 12px rgba(0, 0, 0, 0.05);
}

.login-container button {
    width: 100%;
    padding: 18px;
    margin-top: 20px;
    border: none;
    border-radius: 14px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    color: white;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.login-container button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.login-container button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.login-container button:hover::before {
    left: 100%;
}

.login-container button:active {
    transform: translateY(-1px);
}

.error {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: #dc2626;
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 22px;
    font-size: 14px;
    font-weight: 600;
    border-left: 4px solid #dc2626;
}

.footer-text {
    margin-top: 28px;
    font-size: 12px;
    color: #999;
}