/* 登入頁面樣式 */
.login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, #1e2026 0%, #2d3748 100%);
    position: relative;
    overflow: hidden;
}

.login-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    z-index: 1;
}

.login-circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-circle-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -100px;
    opacity: 0.3;
}

.login-circle-2 {
    width: 200px;
    height: 200px;
    bottom: -50px;
    left: -50px;
    opacity: 0.2;
}

.login-circle-3 {
    width: 150px;
    height: 150px;
    top: 40%;
    left: 10%;
    opacity: 0.15;
}

.login-header {
    padding: 24px 16px;
    position: relative;
    z-index: 2;
}

.login-back-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.login-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 24px 40px;
    position: relative;
    z-index: 2;
}

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

.login-logo-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.login-logo-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

.login-form {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

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

.login-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    text-align: center;
}

.login-input-group {
    margin-bottom: 16px;
}

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

.login-input-wrapper {
    position: relative;
}

.login-input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

.login-input {
    width: 100%;
    padding: 12px 12px 12px 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s;
}

.login-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--bg-primary);
}

.login-input-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
}

.login-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.login-remember {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}

.login-remember input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.login-forgot {
    font-size: 13px;
    color: var(--color-primary);
    text-decoration: none;
}

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

.login-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.login-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
}

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

.login-divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.login-divider span {
    padding: 0 16px;
}

.login-social {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.login-social-btn {
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.login-social-btn:hover {
    border-color: var(--color-primary);
    background: var(--bg-primary);
}

.login-social-btn svg {
    width: 24px;
    height: 24px;
}

.login-footer {
    margin-top: 24px;
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
}

.login-footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.login-footer a:hover {
    text-decoration: underline;
}

.login-features {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.login-feature {
    text-align: center;
}

.login-feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.login-feature-text {
    font-size: 12px;
    color: var(--text-secondary);
}