:root {
    --primary-color: #a83f3f;
    --secondary-color: #dcb696;
    --bg-color: #fdfbf7;
    --text-color: #3e322b;
    --sub-text-color: #7b6f66;
    --accent-color: #e6b333;
    --shadow-soft: 0 4px 12px rgba(62, 50, 43, 0.08);
    --border-radius: 16px;
    --room-bg: #fffcf5;
    --room-border: #ebdccb;
}

* {
    box-sizing: border-box;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Gowun Dodum', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

h1, h2, h3, .serif {
    font-family: 'Gowun Batang', serif;
}

/* --- Header --- */
header {
    padding: 1rem;
    text-align: center;
    background: rgba(253, 251, 247, 0.95);
    border-bottom: 1px solid var(--room-border);
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    width: 80px;
}

.header-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
    overflow: hidden;
    text-overflow: ellipsis;
}

.header-right {
    width: 80px;
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: flex-end;
}

.info-btn {
    background: none;
    border: none;
    color: var(--sub-text-color);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px;
}

.day-badge {
    background-color: var(--text-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
}

/* --- Main Content Area --- */
main {
    flex: 1;
    overflow-y: auto;
    position: relative;
    padding-bottom: 120px; 
    scroll-behavior: smooth;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px;
}

/* --- Tab Navigation --- */
.tab-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: white;
    display: flex;
    justify-content: space-around;
    padding: 12px 0;
    border-top: 1px solid var(--room-border);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.05);
    z-index: 100;
}

.tab-btn {
    background: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--sub-text-color);
    font-family: 'Gowun Dodum', sans-serif;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn i {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.tab-btn.active {
    color: var(--primary-color);
    font-weight: bold;
}

/* --- Views --- */
.view {
    display: none;
    animation: fadeIn 0.3s ease;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Input Area --- */
.input-group {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    background: white;
    padding: 8px;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
}

input {
    flex: 1;
    border: none;
    padding: 12px;
    font-family: 'Gowun Dodum', sans-serif;
    font-size: 1rem;
    outline: none;
}

button.add-btn {
    background-color: var(--text-color);
    color: white;
    border: none;
    padding: 0 20px;
    border-radius: 8px;
    font-family: 'Gowun Batang', serif;
    cursor: pointer;
}

.char-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
}

.char-card {
    background: white;
    padding: 12px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--room-border);
    position: relative;
}

.char-avatar {
    width: 48px;
    height: 48px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    margin: 0 auto 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
}

.char-name {
    font-weight: bold;
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.delete-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    color: #ccc;
    background: none;
    border: none;
    cursor: pointer;
}

/* Data Controls */
.data-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed var(--room-border);
}

.control-btn {
    padding: 10px;
    border: 1px solid var(--room-border);
    background: white;
    border-radius: 8px;
    color: var(--sub-text-color);
    font-family: 'Gowun Dodum', sans-serif;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.control-btn:hover {
    background: var(--room-bg);
    border-color: var(--secondary-color);
}

.control-btn.danger {
    color: #a83f3f;
    border-color: #ffd6d6;
}

/* --- Room Map --- */
.room-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 80px;
}

.room {
    background-color: var(--room-bg);
    border: 1px solid var(--room-border);
    border-radius: var(--border-radius);
    min-height: 200px;
    padding: 16px;
    padding-bottom: 32px;
    position: relative;
    display: flex;
    flex-direction: column;
}

.room-title {
    position: absolute;
    bottom: 8px;
    right: 12px;
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--sub-text-color);
    opacity: 0.8;
    background: rgba(255, 255, 255, 0.4);
    padding: 2px 6px;
    border-radius: 8px;
    pointer-events: none;
}

.room-chars {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-content: flex-start;
    gap: 30px 8px; 
    padding-top: 10px;
}

.mini-char {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 60px;
    position: relative;
    cursor: pointer;
}

.mini-char .head {
    width: 36px;
    height: 36px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: white;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.mini-char .bubble {
    position: absolute;
    top: -15px;
    background: white;
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 0.7rem;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 5;
    opacity: 0;
    animation: popIn 0.3s forwards;
    pointer-events: none;
    border: 1px solid var(--room-border);
}

.mini-char .bubble::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px 6px 0;
    border-style: solid;
    border-color: var(--room-border) transparent transparent transparent;
}

.mini-char .bubble::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px 5px 0;
    border-style: solid;
    border-color: white transparent transparent transparent;
    z-index: 1;
}

.mini-char.duo .head {
    border-color: var(--accent-color);
}

@keyframes popIn {
    to { opacity: 1; top: -40px; }
}

/* --- Logs --- */
.log-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.log-item {
    background: white;
    padding: 16px;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    border-left: 4px solid var(--secondary-color);
}

.log-item.success { border-left-color: #6fb98f; }
.log-item.fail { border-left-color: var(--primary-color); }
.log-item.normal { border-left-color: #ccc; } 

.log-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 0.8rem;
    color: var(--sub-text-color);
}

.log-content {
    font-size: 0.95rem;
    line-height: 1.5;
}

.log-relation {
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--primary-color);
    background: #fff0f0;
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
}

.log-relation.plus {
    color: #2d7a4b;
    background: #eafff0;
}

/* --- Next Day Button --- */
.next-day-btn {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 30px;
    box-shadow: 0 4px 12px rgba(168, 63, 63, 0.4);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
}

.next-day-btn:active {
    transform: scale(0.95);
}

.empty-state {
    text-align: center;
    color: #aaa;
    padding: 40px 0;
    font-size: 0.9rem;
}

/* --- Modal for Character Details --- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal {
    background: white;
    width: 90%;
    max-width: 400px;
    max-height: 80vh;
    border-radius: 16px;
    padding: 24px;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.modal h3 { margin-top: 0; font-family: 'Gowun Batang', serif; color: var(--primary-color);}

.rel-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}
.rel-score { font-weight: bold; }
.rel-label { font-size: 0.8rem; color: #888; }

.info-content p {
    margin: 8px 0;
    font-size: 0.9rem;
    color: #555;
}
.info-content strong {
    color: var(--text-color);
}
.info-link {
    color: var(--sub-text-color);
    font-size: 0.8rem;
    text-decoration: none;
    border-bottom: 1px dashed #ccc;
}