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

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    font-family: 'Segoe UI', system-ui, sans-serif;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
    background: rgba(15, 23, 42, 0.95);
    border-radius: 24px;
    padding: 48px 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-section {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #7c3aed, #06b6d4);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 32px;
    font-weight: bold;
    color: white;
    box-shadow: 0 10px 40px rgba(124, 58, 237, 0.4);
}

.logo-section h1 {
    color: #fff;
    font-size: 24px;
    font-weight: 600;
}

.logo-section p {
    color: #94a3b8;
    font-size: 14px;
    margin-top: 8px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: #94a3b8;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-wrapper {
    position: relative;
}

.input-wrapper .icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    opacity: 0.5;
}

.form-group input {
    width: 100%;
    padding: 16px 16px 16px 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #fff;
    font-size: 16px;
    transition: all 0.3s;
    outline: none;
}

.form-group input:focus {
    border-color: #7c3aed;
    background: rgba(124, 58, 237, 0.1);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.15);
}

.form-group input::placeholder {
    color: #64748b;
}

.btn-login {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 8px;
}

.btn-login:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(124, 58, 237, 0.4);
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.error-message {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 20px;
    display: none;
}

.error-message.show {
    display: flex;
    align-items: center;
    gap: 10px;
}

.rate-limit-warning {
    background: rgba(251, 191, 36, 0.15);
    border: 1px solid rgba(251, 191, 36, 0.3);
    color: #fbbf24;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 20px;
    display: none;
}

.rate-limit-warning.show {
    display: flex;
    align-items: center;
    gap: 10px;
}

.security-notice {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.security-notice p {
    color: #64748b;
    font-size: 12px;
}

.security-notice .lock-icon {
    color: #10b981;
    margin-right: 6px;
}

@media (max-width: 480px) {
    .login-container {
        padding: 32px 24px;
    }

    .logo {
        width: 64px;
        height: 64px;
        font-size: 24px;
    }
}