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

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

:root {
    --black-pure: #000000;
    --black-soft: #0a0a0a;
    --black-lighter: #1a1a1a;
    --cyan-electric: #00ffff;
    --violet-deep: #8a2be2;
    --gold-metallic: #d4af37;
    --white-soft: #e8e8e8;
    --glass-subtle: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(180deg, var(--black-pure) 0%, var(--black-soft) 50%, var(--black-lighter) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-soft);
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-card {
    background: var(--glass-subtle);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.login-card:hover {
    box-shadow: 0 12px 40px rgba(0, 255, 255, 0.15);
    border-color: rgba(0, 255, 255, 0.15);
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-header h1 {
    font-family: 'Orbitron', monospace;
    font-size: 2em;
    color: var(--cyan-electric);
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.login-header p {
    color: var(--white-soft);
    font-size: 0.95em;
    opacity: 0.8;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9em;
    animation: slideIn 0.3s ease;
}

.alert-error {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.3);
    color: #ff6b6b;
}

.alert-success {
    background: rgba(0, 255, 0, 0.1);
    border: 1px solid rgba(0, 255, 0, 0.3);
    color: #51cf66;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-form {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9em;
    color: var(--cyan-electric);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--white-soft);
    font-size: 1em;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--cyan-electric);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

.form-group input::placeholder {
    color: rgba(232, 232, 232, 0.3);
}

.login-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--cyan-electric), var(--violet-deep));
    border: none;
    border-radius: 10px;
    color: var(--black-pure);
    font-size: 1.05em;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 255, 0.3);
}

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

.login-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.login-footer p {
    font-size: 0.85em;
    color: var(--white-soft);
    opacity: 0.6;
}

@media (max-width: 480px) {
    .login-card {
        padding: 30px 24px;
    }
    
    .login-header h1 {
        font-size: 1.6em;
    }
}