/* Login Modal Styles */
.login-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.login-modal-overlay.active {
    display: flex;
    opacity: 1;
}

.login-modal {
    width: 400px;
    background: var(--card-bg, rgba(30, 30, 30, 0.6));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.1));
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-modal-overlay.active .login-modal {
    transform: scale(1);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #00C6FB 0%, #005BEA 100%);
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 16px;
    box-shadow: 0 8px 16px rgba(0, 91, 234, 0.3);
}

.login-icon i {
    font-size: 32px;
    color: white;
}

.login-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

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

.login-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.login-input {
    width: 100%;
    height: 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.1));
    border-radius: 12px;
    padding: 0 16px;
    font-size: 15px;
    color: var(--text-primary);
    transition: all 0.2s ease;
    box-sizing: border-box;
    /* Ensure padding doesn't affect width */
}

.login-input:focus {
    outline: none;
    border-color: var(--accent-blue, #007AFF);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
}

.login-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.login-button {
    width: 100%;
    height: 48px;
    background: var(--accent-blue, #007AFF);
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 32px;
}

.login-button:hover {
    background: var(--accent-blue-hover, #0062CC);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

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

.login-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.login-footer {
    margin-top: 24px;
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
}

.login-link {
    color: var(--accent-blue, #007AFF);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
}

.login-link:hover {
    text-decoration: underline;
}

.login-error {
    background: rgba(255, 59, 48, 0.1);
    border: 1px solid rgba(255, 59, 48, 0.3);
    color: #FF3B30;
    padding: 12px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 20px;
    display: none;
    align-items: center;
    gap: 8px;
}

.show-password-toggle {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    transition: color 0.2s ease;
}

.show-password-toggle:hover {
    color: var(--text-primary);
}

/* App Content Visibility Control */
body:not(.is-logged-in) .app-window {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: scale(0.95);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

body.is-logged-in .app-window {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scale(1);
}

/* Ensure modal is always visible above hidden content */
.login-modal-overlay {
    /* Existing styles remain, ensuring z-index is high */
    z-index: 10000;
}