/* Login Page Styles - AWS Console sign-in inspired */
.login-container {
    --bg-elevated: #162235;
    --bg-subtle: #1E3048;
    --border: #41546B;
    --text-primary: #F1F5F9;
    --text-secondary: #C2D0DE;
    --text-muted: #9AAABD;
    --shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(3, 14, 30, 0.7), rgba(3, 14, 30, 0.78)), url('../assets/inventory-background.png') center / cover no-repeat;
    padding: 20px;
}

.login-card {
    background: var(--bg-elevated);
    background: color-mix(in srgb, var(--bg-elevated) 94%, transparent);
    border: 1px solid var(--border);
    padding: 36px 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
    animation: slideUp 0.35s ease-out;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: var(--text-primary);
    font-size: 21px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 13px;
    margin: 0;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 7px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 13px;
}

.form-group input {
    width: 100%;
    padding: 10px 13px;
    background: var(--bg-elevated);
    border: 1px solid #879596;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.15s ease;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
}

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

.login-btn {
    width: 100%;
    padding: 11px;
    background: var(--primary);
    color: #FFFFFF;
    border: 1px solid var(--primary-active);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.15s ease;
}

.login-btn:hover {
    background: var(--primary-hover);
}

.login-btn:active {
    background: var(--primary-active);
}

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

.login-error {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
    border: 1px solid #F1B6AC;
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 13px;
}

.login-error::before {
    content: "⚠️";
    font-size: 15px;
}

.login-footer {
    text-align: center;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.login-footer p {
    color: var(--text-muted);
    font-size: 12px;
    margin: 0;
}

/* Loading state for login button */
.login-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.login-btn.loading::after {
    content: "";
    width: 14px;
    height: 14px;
    border: 2px solid #FFFFFF;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 8px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .login-card {
        padding: 28px 22px;
    }

    .login-header h1 {
        font-size: 19px;
    }

    .login-header p {
        font-size: 12px;
    }

    .form-group input {
        font-size: 14px;
    }

    .login-btn {
        font-size: 13px;
        padding: 10px;
    }
}