/* --- Shared Modal System Styles --- */
#ms-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

#ms-modal-box {
    background-color: #2c2c2c;
    padding: 25px;
    border-radius: 8px;
    border: 1px solid #555;
    min-width: 300px;
    max-width: 90%;
    box-shadow: 0 5px 20px rgba(0,0,0,0.4);
    text-align: center;
    max-height: 100vh;
    overflow-y: auto;
}

#ms-modal-title {
    margin-top: 0;
    font-size: 1.5em;
    color: var(--primary-yellow, #DAA520); /* Fallback color */
}

#ms-modal-message {
    margin: 20px 0;
    line-height: 1.6;
    color: #ddd;
}

#ms-modal-input-container {
    margin-bottom: 20px;
}

#ms-modal-input-container .ms-input-field {
    width: 100%;
    padding: 10px;
    font-size: 1em;
    border-radius: 5px;
    border: 1px solid #666;
    background-color: #1a1a1a;
    color: #fff;
    box-sizing: border-box; /* Ensures padding doesn't affect width */
}

#ms-modal-button-container {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.ms-my-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 38px;
    height: 38px;
    border-width: 3px;
    border-style: solid;
    border-radius: 50%;
    background: transparent;
    padding: 0;
    margin: 0;
    font-size: 1.2em;
    line-height: 1;
    cursor: pointer;
    appearance: none;
    transition: background-color 0.2s ease;
}

/* --- Menu & Settings System Styles --- */
.ms-menu-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    margin-top: 15px;
}

.ms-menu-btn {
    width: 100%;
    padding: 12px;
    font-size: 1.1em;
    font-weight: bold;
    border-radius: 6px;
    border: 1px solid #555;
    background-color: #333;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
    box-sizing: border-box;
}

.ms-menu-btn:hover {
    background-color: #444;
    border-color: #777;
}

.ms-menu-btn.ms-btn-primary {
    background-color: var(--primary-cyan, #00bfff);
    border-color: var(--primary-cyan, #00bfff);
    color: #000;
}

.ms-menu-btn.ms-btn-primary:hover {
    background-color: var(--primary-cyan-hover, #0099cc);
}

.ms-menu-btn.ms-btn-danger {
    background-color: #a93226;
    border-color: #a93226;
}

.ms-menu-btn.ms-btn-danger:hover {
    background-color: #c0392b;
}

.ms-setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: #ccc;
    font-size: 1em;
}

.ms-volume-slider {
    width: 60%;
    cursor: pointer;
}

/* ── 補上 modal.js 有套用、但 modal.css 沒接住的 .ms-btn-main / .ms-btn-secondary ──
   風格沿用 common.css 既有的 .btn-main / .btn-secondary 語言（外框發光、hover 填色），
   維持全站按鈕視覺一致，而不是另外發明一套。 */
.ms-btn-main,
.ms-btn-secondary {
    box-sizing: border-box;
    padding: 12px 24px;
    border-radius: 8px;
    margin: 4px;
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    background: transparent;
    transition: background-color 0.2s, color 0.2s, transform 0.1s, box-shadow 0.2s;
}

.ms-btn-main:active,
.ms-btn-secondary:active { transform: scale(0.98); }

.ms-btn-main:disabled,
.ms-btn-secondary:disabled {
    border-color: #555;
    color: #555;
    cursor: not-allowed;
    background-color: transparent;
    box-shadow: none;
}

.ms-btn-main {
    border: 2px solid var(--primary-cyan, #00ffff);
    color: var(--primary-cyan, #00ffff);
}
.ms-btn-main:hover:not(:disabled) {
    background-color: var(--primary-cyan, #00ffff);
    color: #000;
    box-shadow: 0 0 20px var(--primary-cyan, #00ffff);
}

.ms-btn-secondary {
    border: 2px solid var(--primary-blue, #4488ff);
    color: var(--primary-blue, #4488ff);
}
.ms-btn-secondary:hover:not(:disabled) {
    background-color: var(--primary-blue, #4488ff);
    color: #000;
    box-shadow: 0 0 20px var(--primary-blue, #4488ff);
}