@charset "utf-8";
/* Login Page CSS */

:root {
    --primary: #fed903;
    --primary-dark: #e5c400;
    --bg-dark: #000000;
    --bg-light: #f5f7fb;
    --text-dark: #1f2937;
    --text-light: #cbd5e1;
    --text-white: #ffffff;
    --danger: #ef4444;
    --border: #e6e9f2;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

html,
body {
    height: 100%;
    font-family: 'Noto Sans TC', '微軟正黑體', 'Microsoft JhengHei', 'Apple LiGothic Medium', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: linear-gradient(135deg, #1f2937 0%, #000000 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

/* 背景裝飾 */
.bg-decoration {
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(254, 217, 3, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.decoration-bottom {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40px;
    background: url(../images/road.png);
    background-position: left bottom;
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.3;
    pointer-events: none;
}

/* 登入容器 */
.login-container {
    width: 100%;
    max-width: 480px;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* 登入框 */
.login-box {
    background: var(--text-white);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
}

    .login-box::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 5px;
        background: linear-gradient(90deg, var(--primary) 0%, #ffd700 100%);
    }

/* Logo 區域 */
.login-header {
    text-align: center;
    margin-bottom: 40px;
}

    .login-header .logo {
        margin-bottom: 20px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

        .login-header .logo img {
            height: 60px;
            width: auto;
            filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
        }

.system-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.subtitle {
    font-size: 0.875rem;
    color: #6b7280;
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* 表單樣式 */
.login-form {
    margin-bottom: 24px;
}

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

    .form-group label {
        display: block;
        font-size: 0.938rem;
        font-weight: 600;
        color: var(--text-dark);
        margin-bottom: 8px;
        letter-spacing: 0.5px;
    }

    .form-group input {
        width: 100%;
        padding: 14px 16px;
        font-size: 1rem;
        border: 2px solid #e5e7eb;
        border-radius: 12px;
        transition: all 0.3s ease;
        background: #f9fafb;
        color: var(--text-dark);
        font-family: inherit;
    }

        .form-group input:focus {
            outline: none;
            border-color: var(--primary);
            background: var(--text-white);
            box-shadow: 0 0 0 4px rgba(254, 217, 3, 0.1);
        }

        .form-group input::placeholder {
            color: #9ca3af;
        }

/* 表單選項 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

/* 自訂 Checkbox */
.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-dark);
    user-select: none;
    position: relative;
    padding-left: 28px;
}

    .checkbox-container input {
        position: absolute;
        opacity: 0;
        cursor: pointer;
        height: 0;
        width: 0;
    }

.checkmark {
    position: absolute;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: #f3f4f6;
    border: 2px solid #d1d5db;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.checkbox-container:hover input ~ .checkmark {
    background-color: #e5e7eb;
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid var(--text-dark);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.forgot-password {
    font-size: 0.875rem;
    color: #6b7280;
    text-decoration: none;
    transition: color 0.3s ease;
}

    .forgot-password:hover {
        color: var(--text-dark);
    }

/* 登入按鈕 */
.login-btn {
    width: 100%;
    padding: 16px;
    font-size: 1.063rem;
    font-weight: 700;
    color: var(--text-dark);
    background: var(--primary);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    box-shadow: 0 4px 12px rgba(254, 217, 3, 0.3);
}

    .login-btn:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(254, 217, 3, 0.4);
    }

    .login-btn:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(254, 217, 3, 0.3);
    }

/* 錯誤訊息 */
.error-message {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding: 14px 16px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 10px;
    color: var(--danger);
    font-size: 0.875rem;
    animation: shake 0.5s;
}

    .error-message svg {
        flex-shrink: 0;
    }

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }

    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }

    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

/* 系統資訊 */
.system-info {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid #e5e7eb;
}

    .system-info p {
        font-size: 0.75rem;
        color: #9ca3af;
        margin: 4px 0;
    }

/* 響應式設計 */
@media (max-width: 600px) {
    .login-container {
        padding: 16px;
    }

    .login-box {
        padding: 36px 24px;
        border-radius: 20px;
    }

    .system-title {
        font-size: 1.25rem;
    }

    .subtitle {
        font-size: 0.813rem;
    }

    .login-header .logo img {
        height: 50px;
    }

    .form-group input {
        padding: 12px 14px;
        font-size: 0.938rem;
    }

    .login-btn {
        padding: 14px;
        font-size: 1rem;
    }

    .bg-decoration {
        width: 400px;
        height: 400px;
    }
}

@media (max-width: 400px) {
    .login-box {
        padding: 28px 20px;
    }

    .system-title {
        font-size: 1.125rem;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

/* 載入動畫 */
.login-btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

    .login-btn.loading::after {
        content: "";
        position: absolute;
        width: 20px;
        height: 20px;
        top: 50%;
        left: 50%;
        margin-left: -10px;
        margin-top: -10px;
        border: 3px solid var(--text-dark);
        border-radius: 50%;
        border-top-color: transparent;
        animation: spin 0.8s linear infinite;
    }

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