/* 全域樣式與變數定義 */
:root {
    --bg-color: #FAF6F0;          /* 暖米色背景 */
    --card-bg: #FFFFFF;          /* 純白卡片 */
    --text-main: #3D342E;        /* 深暖褐文字 */
    --text-muted: #7E7066;       /* 中暖褐文字 */
    --primary-color: #8C7A6B;     /* 主色調：玫瑰褐 */
    --primary-hover: #756456;   
    --accent-color: #D4A373;      /* 強調色：暖金沙 */
    --accent-hover: #C59362;
    --border-color: #EAE3D8;      /* 邊框顏色 */
    --shadow-sm: 0 2px 8px rgba(140, 122, 107, 0.08);
    --shadow-md: 0 8px 24px rgba(140, 122, 107, 0.12);
    
    /* STAR 步驟專用顏色 */
    --color-s: #E9D8A6; /* Situation - 淺黃 */
    --color-t: #94D2BD; /* Task - 淺綠 */
    --color-a: #90E0EF; /* Action - 淺藍 */
    --color-r: #F28482; /* Result - 珊瑚粉 */
}

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

body {
    font-family: 'Outfit', 'Noto Sans TC', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 頂部導覽列 */
.app-header {
    background-color: var(--card-bg);
    border-bottom: 2px solid var(--border-color);
    padding: 20px 40px;
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.profile-summary {
    display: flex;
    align-items: center;
    gap: 15px;
}

.avatar-placeholder {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
}

.avatar-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-color);
    box-shadow: var(--shadow-sm);
}

.profile-info h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
}

.profile-info .english-name {
    font-size: 14px;
    font-weight: 300;
    color: var(--text-muted);
    margin-left: 5px;
}

.profile-info .subtitle {
    font-size: 14px;
    color: var(--text-muted);
}

/* 分頁導覽按鈕 */
.tab-navigation {
    display: flex;
    gap: 10px;
}

.tab-btn {
    padding: 10px 20px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-muted);
    font-family: inherit;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    background-color: #FAF2E8;
    color: var(--text-main);
}

.tab-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

/* 主版面配置 */
.main-layout {
    max-width: 1200px;
    width: 100%;
    margin: 30px auto;
    padding: 0 20px;
    flex: 1;
}

.tab-content-wrapper {
    animation: fadeIn 0.3s ease-in-out;
}

.layout-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 30px;
}

/* 通用卡片樣式 */
.card {
    background-color: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.card-header h2 {
    font-size: 18px;
    font-weight: 700;
}

/* 左側經歷清單 */
.experience-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
    max-height: 520px;
    overflow-y: auto;
}

.exp-item {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.exp-item:hover {
    border-color: var(--accent-color);
    background-color: #FAF2E8;
    transform: translateY(-2px);
}

.exp-item.active {
    border-color: var(--primary-color);
    background-color: #F3ECE6;
    box-shadow: inset 4px 0 0 var(--primary-color);
}

.exp-item-title {
    font-weight: 700;
    font-size: 15px;
    color: var(--text-main);
}

.exp-item-org {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* 按鈕樣式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    outline: none;
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

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

.btn-secondary {
    background-color: var(--accent-color);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--accent-hover);
}

.btn-success {
    background-color: #6C8EBF;
    color: white;
}

.btn-success:hover {
    background-color: #5B7BA8;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

.btn-outline:hover {
    background-color: var(--bg-color);
    border-color: var(--text-muted);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* 表單區段與排版 */
.form-section-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 20px 0 12px 0;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--border-color);
}

.form-row {
    display: flex;
    gap: 15px;
}

.flex-1 {
    flex: 1;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-main);
}

.field-desc {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
    margin-top: -4px;
}

.form-group input, 
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-family: inherit;
    font-size: 14px;
    color: var(--text-main);
    background-color: var(--card-bg);
}

.form-group input:focus, 
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent-color);
    outline: none;
}

/* STAR 編輯框線 */
.star-group {
    padding: 15px;
    border-radius: 8px;
    background-color: #FAF9F6;
    margin-bottom: 20px;
}

.s-group-border { border-left: 5px solid var(--color-s); }
.t-group-border { border-left: 5px solid var(--color-t); }
.a-group-border { border-left: 5px solid var(--color-a); }
.r-group-border { border-left: 5px solid var(--color-r); }

.star-label {
    font-size: 14px !important;
    font-weight: 700;
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 8px !important;
}

.star-label.situation-color { background-color: var(--color-s); color: #745E16; }
.star-label.task-color { background-color: var(--color-t); color: #1D5443; }
.star-label.action-color { background-color: var(--color-a); color: #0E5C6B; }
.star-label.result-color { background-color: var(--color-r); color: #7B2A29; }

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 25px;
}

/* 歡迎卡片 */
.welcome-card {
    text-align: center;
    padding: 60px 40px;
}

.welcome-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.welcome-card p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 30px auto;
}

/* 雙欄對照排版 */
.split-view-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 20px;
}

.answer-half {
    display: flex;
    flex-direction: column;
}

.reference-half {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background-color: var(--bg-color);
    display: flex;
    flex-direction: column;
}

.reference-header {
    background-color: #F0E8DD;
    padding: 12px 16px;
    border-top-left-radius: 11px;
    border-top-right-radius: 11px;
    font-weight: 700;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.reference-content {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 480px;
    overflow-y: auto;
}

.ref-box {
    padding: 12px;
    border-radius: 8px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

.ref-title {
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 6px;
    padding-bottom: 4px;
    border-bottom: 1px dashed var(--border-color);
}

.ref-s { border-left: 4px solid var(--color-s); }
.ref-t { border-left: 4px solid var(--color-t); }
.ref-a { border-left: 4px solid var(--color-a); }
.ref-r { border-left: 4px solid var(--color-r); }

.ref-s .ref-title { color: #745E16; }
.ref-t .ref-title { color: #1D5443; }
.ref-a .ref-title { color: #0E5C6B; }
.ref-r .ref-title { color: #7B2A29; }

.ref-box p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* 模擬問答問題展示 */
.active-question-box {
    background-color: #FAF2E8;
    border-left: 4px solid var(--accent-color);
    padding: 15px;
    border-radius: 8px;
}

.q-badge {
    font-size: 11px;
    font-weight: 700;
    background-color: var(--accent-color);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
}

#activeMockQuestionText {
    margin-top: 8px;
    font-weight: 500;
}

/* AI 診斷回饋區 */
.ai-feedback-section {
    background-color: var(--bg-color);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.ai-feedback-section h3 {
    font-size: 15px;
    margin-bottom: 12px;
    font-weight: 700;
}

.feedback-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.feedback-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.fb-badge {
    align-self: flex-start;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    background-color: var(--border-color);
}

.feedback-item.success { border-top: 4px solid #94D2BD; }
.feedback-item.success .fb-badge { background-color: #94D2BD; color: #1D5443; }

.feedback-item.warning { border-top: 4px solid #E9D8A6; }
.feedback-item.warning .fb-badge { background-color: #E9D8A6; color: #745E16; }

.feedback-item p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

.suggestion-box {
    background-color: var(--card-bg);
    border: 1px dashed var(--accent-color);
    border-radius: 8px;
    padding: 15px;
}

.suggestion-box h4 {
    font-size: 13px;
    color: var(--accent-hover);
    margin-bottom: 8px;
    font-weight: 700;
}

.suggestion-box ul {
    list-style-type: none;
    padding-left: 0;
}

.suggestion-box li {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 6px;
    padding-left: 15px;
    position: relative;
}

.suggestion-box li::before {
    content: "💡";
    position: absolute;
    left: 0;
    top: 1px;
}

/* 結果與履歷輸出 */
.merged-paragraph {
    background-color: var(--bg-color);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-top: 20px;
}

.merged-paragraph h3 {
    font-size: 15px;
    margin-bottom: 12px;
    color: var(--text-main);
}

.merged-paragraph p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 12px;
    white-space: pre-line;
}

.copy-btn {
    font-size: 12px;
    padding: 6px 12px;
}

.badge {
    background-color: var(--border-color);
    color: var(--text-muted);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 500;
}

.or-divider {
    text-align: center;
    margin: 15px 0;
    position: relative;
}

.or-divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--border-color);
}

.or-divider span {
    position: relative;
    background-color: var(--card-bg);
    padding: 0 15px;
    color: var(--text-muted);
    font-size: 13px;
}

.margin-top-12 {
    margin-top: 12px;
}

/* 底部宣告 */
.app-footer {
    text-align: center;
    padding: 24px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 12px;
    background-color: var(--card-bg);
    margin-top: auto;
}

/* 動態輔助樣式 */
.hidden {
    display: none !important;
}

.sidebar-tip {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 15px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 響應式調整 */
@media (max-width: 850px) {
    .layout-grid {
        grid-template-columns: 1fr;
    }
    .split-view-container {
        grid-template-columns: 1fr;
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}