/* --- CSS 樣式區 --- */
body {
    font-family: 'Segoe UI', 'Microsoft JhengHei', 'Helvetica Neue', sans-serif;
    margin: 0;
    background-color: #f8f9fa;
    color: #333;
}

/* 網頁標題列樣式 */
.page-header {
    background-color: #2c3e50;
    color: #fff;
    padding: 15px 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-header h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 1px;
}

.header-link {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.header-link:hover {
    color: #a8c7fa;
    text-decoration: underline;
}

.header-right-panel {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* 將音樂和名言按鈕樣式合併 */
.music-icon-container,
.quote-icon-container {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: #6c757d; /* 預設灰色 */
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.2), 0 1px 1px rgba(255,255,255,0.1);
}

.music-icon-container:hover,
.quote-icon-container:hover {
    transform: scale(1.1);
    opacity: 0.9;
}

.music-icon-container i,
.quote-icon-container i {
    color: #fff;
    font-size: 16px;
    transition: color 0.3s ease;
}

/* 啟用狀態 (亮黃色) */
.music-icon-container.playing,
.quote-icon-container.active {
    background-color: #f1c40f;
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 12px rgba(241, 196, 15, 0.8), 0 0 8px rgba(241, 196, 15, 0.6), inset 0 1px 1px rgba(255,255,255,0.4);
}

.music-icon-container.playing i,
.quote-icon-container.active i {
    color: #2c3e50;
}

/* 跑馬燈樣式，加入展開/收合動畫 */
.marquee-container {
    background-color: #34495e;
    color: #ecf0f1;
    overflow: hidden;
    white-space: nowrap;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.2);
    
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    transition: max-height 0.4s ease-in-out, padding 0.4s ease-in-out;
}

/* 展開時的狀態 */
.marquee-container.is-visible {
    max-height: 60px;
    padding-top: 10px;
    padding-bottom: 10px;
}

.marquee-text {
    display: inline-block;
    margin: 0;
    font-size: 15px;
    transform: translateX(100vw);
    will-change: transform;
    opacity: 0;
    transition: opacity 0.2s linear;
}

.marquee-container:hover .marquee-text {
    animation-play-state: paused;
}

.marquee-text.is-animating {
    opacity: 1;
    animation: slide-in-and-stop 20s linear 1 forwards;
}

@media (max-width: 767px) {
    .marquee-text.is-animating {
        animation: marquee-scroll-mobile 30s linear infinite;
    }
}

@keyframes slide-in-and-stop {
    /* from 和 to 的值將由 JavaScript 動態填入 */
}

@keyframes marquee-scroll-mobile {
    from {
        transform: translateX(100vw);
    }
    to {
        transform: translateX(-100%);
    }
}


.mobile-home-link {
    display: none;
    background-color: #34495e;
    color: #fff;
    text-align: center;
    padding: 10px 15px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

.mobile-home-link:hover {
    background-color: #4a6572;
}

.quick-nav-container {
    background-color: #f8f9fa;
    padding: 10px 20px;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
    white-space: nowrap;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.quick-nav-container::-webkit-scrollbar {
    display: none;
}

.quick-nav-tag {
    display: inline-block;
    background-color: #fff;
    color: #337ab7;
    padding: 8px 15px;
    margin: 5px;
    border-radius: 20px;
    border: 1px solid #ddd;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.quick-nav-tag:hover {
    background-color: #337ab7;
    color: #fff;
    border-color: #2e6da4;
    transform: translateY(-2px);
}

.search-header {
    padding: 60px 20px 40px; 
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.search-container { max-width: 580px; width: 100%; }
.search-form { width: 100%; }
.search-box { position: relative; width: 100%; margin: 0 auto; }
.search-icon { position: absolute; left: 20px; top: 50%; transform: translateY(-50%); color: #9aa0a6; font-size: 16px; }
.search-input { width: 100%; padding: 12px 20px 12px 50px; font-size: 16px; border: 1px solid #dfe1e5; border-radius: 24px; box-shadow: none; transition: box-shadow 0.2s ease; box-sizing: border-box; }
.search-input:focus { outline: none; box-shadow: 0 1px 6px rgba(32,33,36,0.28); }

.search-form + .search-form {
    margin-top: 15px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.link-group {
    margin-bottom: 40px;
    padding: 25px;
    border-radius: 12px;
}

.link-group:nth-of-type(1) { background-color: #fff1f2; }
.link-group:nth-of-type(2) { background-color: #fff3e0; }
.link-group:nth-of-type(3) { background-color: #fffde7; }
.link-group:nth-of-type(4) { background-color: #e8f5e9; }
.link-group:nth-of-type(5) { background-color: #e3f2fd; }
.link-group:nth-of-type(6) { background-color: #e8eaf6; }
.link-group:nth-of-type(7) { background-color: #f3e5f5; }

.link-group h2 {
    margin-top: 0;
    padding-bottom: 15px;
    border-bottom: 1px solid #ddd;
    color: #4a4a4a;
    font-weight: 600;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px; 
}

@media (min-width: 768px) {
    .grid-container {
        grid-template-columns: repeat(8, 1fr);
        gap: 15px;
    }
}
@media (min-width: 1024px) {
    .grid-container {
        grid-template-columns: repeat(10, 1fr);
    }
}

.link-card {
    display: block; 
    text-decoration: none; 
    color: inherit; 
    background-color: #fff; 
    border: 1px solid #eee; 
    border-radius: 8px; 
    overflow: hidden; 
    box-shadow: 0 2px 5px rgba(0,0,0,0.05); 
    transition: all 0.2s ease-in-out; 
    text-align: center;
}
.link-card:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 8px 15px rgba(0,0,0,0.1); 
    border-color: #a8c7fa; 
}

.icon-container {
    height: 100px;
    display: flex; 
    align-items: center; 
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.6);
    border-bottom: 1px solid #eee;
}

.icon-container i {
    font-size: 56px; 
    color: #5a7a9e;
    transition: all 0.2s ease;
}
.link-card:hover .icon-container i { 
    transform: scale(1.1); 
}

.link-card .title {
    min-height: 40px; 
    white-space: normal; 
    overflow: visible; 
    text-overflow: clip;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 5px;
    margin: 0;
    font-weight: 600;
    line-height: 1.3;
    color: #333;
}

@media (max-width: 1023px) {
    .icon-container { height: 90px; }
    .icon-container i { font-size: 48px; }
    .link-card .title { font-size: 14px; }
}

.header-left-panel {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.icon-group {
    display: flex;
    align-items: center;
    gap: 30px;
}


@media (max-width: 767px) {
    .page-header {
        padding: 12px 20px;
        flex-direction: column;
        gap: 10px;
    }
    .page-header h1 {
        font-size: 20px;
    }
    .header-link, .header-right-panel {
        display: none;
    }
    .mobile-home-link {
        display: block;
    }
    .header-left-panel {
        flex-direction: column;
        gap: 15px;
    }
    .icon-group {
        justify-content: center;
    }
    .icon-container { height: 80px; }
    .icon-container i { font-size: 40px; }
    .link-card .title { font-size: 12px; min-height: 32px; }
}


.link-card.is-placeholder .icon-container i {
    color: #b0bec5;
    opacity: 0.7;
}

.link-card.is-placeholder .title {
    color: #aaa;
}

.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: inline-flex;
    align-items: center;
    padding: 10px 15px;
    background-color: #2c3e50;
    color: #fff;
    border-radius: 50px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
    z-index: 999;
}

.back-to-top-btn i {
    margin-right: 8px;
}

.back-to-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top-btn:hover {
    background-color: #34495e;
}

/* ============ 功能區樣式 ============ */

.page-footer {
    text-align: center;
    padding: 20px;
    margin-top: 30px;
    background-color: #e9ecef;
    color: #6c757d;
    font-size: 14px;
    border-top: 1px solid #dee2e6;
}

.floating-panel {
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.panel-button {
    display: flex;
    align-items: center;
    background-color: #007bff;
    color: #fff;
    padding: 12px;
    text-decoration: none;
    border-top-left-radius: 20px;
    border-bottom-left-radius: 20px;
    box-shadow: -2px 2px 8px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    transform: translateX(calc(100% - 48px));
}

.panel-button:hover {
    transform: translateX(0);
    background-color: #0056b3;
}

.panel-button.panel-button-alt {
    background-color: #28a745;
}
.panel-button.panel-button-alt:hover {
    background-color: #218838;
}

/* ▼▼▼【新增的樣式】▼▼▼ */
.panel-button.panel-button-bookmark {
    background-color: #6a5acd; /* SlateBlue */
}
.panel-button.panel-button-bookmark:hover {
    background-color: #483d8b; /* Darker SlateBlue */
}
/* ▲▲▲【新增結束】▲▲▲ */

.panel-button.panel-button-warning {
    background-color: #fd7e14;
}
.panel-button.panel-button-warning:hover {
    background-color: #e67e22;
}

.panel-button.panel-button-radio {
    background-color: #9b59b6;
}
.panel-button.panel-button-radio:hover {
    background-color: #8e44ad;
}

.panel-button.panel-button-court {
    background-color: #008080; /* Teal */
}
.panel-button.panel-button-court:hover {
    background-color: #006666; /* Darker Teal */
}

.panel-button i {
    font-size: 20px;
    width: 24px;
    text-align: center;
}

.panel-button .panel-text {
    margin-left: 10px;
    margin-right: 12px;
    font-weight: 600;
}

@media (max-width: 767px) {
    .floating-panel {
        top: auto;
        bottom: 85px; 
        right: 15px; 
        transform: none;
        background-color: rgba(44, 62, 80, 0.8);
        padding: 10px;
        border-radius: 20px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        cursor: pointer;
        flex-direction: column;
        gap: 8px;
    }
    .panel-button {
        transform: none;
        padding: 8px;
        border-radius: 50%;
        transition: transform 0.3s ease;
        box-shadow: none;
    }
    .panel-button:hover {
        transform: none;
        background-color: #007bff;
    }
    .panel-button.panel-button-alt:hover {
        background-color: #28a745;
    }
    /* ▼▼▼【新增的樣式】▼▼▼ */
    .panel-button.panel-button-bookmark:hover {
        background-color: #6a5acd; /* SlateBlue (mobile hover) */
    }
    /* ▲▲▲【新增結束】▲▲▲ */
    .panel-button.panel-button-warning:hover {
        background-color: #fd7e14;
    }
    .panel-button.panel-button-radio:hover {
        background-color: #9b59b6;
    }
    .panel-button.panel-button-court:hover {
        background-color: #008080; /* Teal */
    }
    .panel-button .panel-text {
        display: none;
    }
    .floating-panel.is-expanded {
        background-color: transparent;
        box-shadow: none;
        padding: 0;
        right: 0;
        bottom: 80px;
        cursor: default;
    }
    .floating-panel.is-expanded .panel-button {
        transform: translateX(0);
        box-shadow: -2px 2px 8px rgba(0,0,0,0.2);
        padding: 12px;
        border-radius: 20px 0 0 20px;
    }
    .floating-panel.is-expanded .panel-text {
        display: block;
    }
}

.split-flap-display {
    display: flex;
    background: linear-gradient(to bottom, #283440, #202a35);
    padding: 8px 15px;
    border-radius: 6px;
    color: #a7bed1; 
    font-family: 'Roboto Mono', monospace;
    font-size: 18px;
    font-weight: 500;
    box-shadow: 
        inset 0 1px 2px rgba(0, 0, 0, 0.5),
        inset 0 -1px 1px rgba(255, 255, 255, 0.1);
    border: 1px solid #1a232c;
    letter-spacing: 1px;
}
.split-flap-display .char {
    display: inline-block;
    transition: all 0.2s ease;
}
.split-flap-display .char.updated {
    animation: split-flap-anim 0.4s ease-out;
}
@keyframes split-flap-anim {
    0% { transform: translateY(-0.5em); opacity: 0; }
    50% { transform: translateY(0.3em); }
    100% { transform: translateY(0); opacity: 1; }
}

@media (max-width: 767px) {
    .split-flap-display {
        font-size: 14px;
        padding: 6px 12px;
    }
}

/* 計算機樣式 */
.calculator-modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(3px);
}

.calculator-modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    width: 90%;
    max-width: 440px;
    overflow: hidden;
    animation-name: animatetop;
    animation-duration: 0.4s;
}

@keyframes animatetop {
    from {top: -300px; opacity: 0}
    to {top: 0; opacity: 1}
}

.calculator-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 12px 20px;
    background-color: #2c3e50;
    color: white;
}

.calculator-close-btn {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.calculator-close-btn:hover,
.calculator-close-btn:focus {
    color: white;
    text-decoration: none;
}

.calculator-body {
    padding: 20px;
    background-color: #2c3e50;
}

.calculator-display {
    background-color: #1d2b3a;
    color: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: right;
    word-wrap: break-word;
    word-break: break-all;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.calculator-expression {
    font-size: 1.2em;
    color: #a7bed1;
    min-height: 25px;
}
.calculator-result {
    font-size: 2.5em;
    font-weight: bold;
    color: #fff;
    font-family: 'Roboto Mono', monospace;
}

.calculator-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(6, 1fr);
    gap: 12px;
}

.calculator-buttons button {
    height: 70px;
    font-size: 1.6em;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background-color: #34495e;
    color: #ecf0f1;
    transition: all 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calculator-buttons button:hover {
    filter: brightness(1.2);
}

.calculator-buttons button:active {
    transform: scale(0.97);
    filter: brightness(0.9);
}

.calculator-buttons .btn-op {
    background-color: #f39c12;
    color: white;
}
.calculator-buttons .btn-op-light {
    background-color: #5d6d7e;
    color: white;
}
.calculator-buttons .btn-equal {
    background-color: #27ae60;
    color: white;
}
.calculator-buttons .span-4 {
    grid-column: span 4;
}

@media (max-width: 767px) {
    .calculator-modal-content {
        margin: 5% auto;
        max-width: 360px;
    }
    .calculator-buttons button {
        height: 65px;
        font-size: 1.5em;
    }
    .calculator-display {
        min-height: 70px;
    }
    .calculator-result {
        font-size: 2.2em;
    }
    .calculator-expression {
        font-size: 1.1em;
    }
}