:root {
    --bg-dark: #0f1117;
    --bg-card: #181c26;
    --bg-input: #222836;
    --border-color: #2e364a;
    --primary-gold: #e2b041;
    --gold-hover: #f3c256;
    --text-main: #f0f2f8;
    --text-muted: #94a3b8;
    --danger-red: #e11d48;
    --success-green: #10b981;
    --secret-purple: #8b5cf6;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Toast Box for Notifications & Roll Feedback */
.toast-box {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-card);
    border: 1px solid var(--primary-gold);
    color: var(--primary-gold);
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8), 0 0 15px rgba(226, 176, 65, 0.3);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 0.92rem;
    animation: fadeIn 0.2s ease-out;
}

/* Modal Overlay & Login Screen */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 12, 18, 0.94);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
}

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--primary-gold);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 20px rgba(226, 176, 65, 0.2);
    border-radius: 14px;
    width: 100%;
    max-width: 520px;
    padding: 28px;
    animation: fadeIn 0.3s ease-out;
}

.modal-header {
    text-align: center;
    margin-bottom: 20px;
}

.modal-header h2 {
    font-family: 'Cinzel', serif;
    color: var(--primary-gold);
    font-size: 1.7rem;
    margin-top: 8px;
}

.modal-header p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 4px;
}

.logo-icon {
    font-size: 2.5rem;
    color: var(--primary-gold);
}

.welcome-user-banner {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.welcome-user-banner strong {
    color: var(--primary-gold);
}

.login-tabs {
    display: flex;
    gap: 6px;
    background: var(--bg-dark);
    padding: 4px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 10px 8px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.tab-btn.active {
    background: var(--primary-gold);
    color: #000;
}

.login-tab-content {
    display: none;
}

.login-tab-content.active {
    display: block;
}

.dm-sub-tabs {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.sub-tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
}

.sub-tab-btn.active {
    background: var(--border-color);
    color: var(--primary-gold);
}

.dm-sub-content {
    display: none;
}

.dm-sub-content.active {
    display: block;
}

/* DM Rooms List & Cards */
.dm-rooms-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 260px;
    overflow-y: auto;
    padding-right: 4px;
}

.dm-room-card {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color 0.2s;
}

.dm-room-card:hover {
    border-color: var(--primary-gold);
}

.room-card-info h4 {
    color: var(--primary-gold);
    font-size: 0.95rem;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.room-card-info p {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.room-code-badge-clickable {
    background: #1e293b;
    border: 1px solid var(--primary-gold);
    color: var(--primary-gold);
    padding: 4px 10px;
    border-radius: 6px;
    font-family: monospace;
    font-weight: 800;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.room-code-badge-clickable:hover {
    background: var(--primary-gold);
    color: #000;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    color: var(--text-main);
    font-size: 0.88rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus {
    border-color: var(--primary-gold);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    padding: 10px 18px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-gold);
    color: #000;
}

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

.btn-warning {
    background: #f59e0b;
    color: #000;
}

.btn-success {
    background: var(--success-green);
    color: #fff;
}

.btn-danger {
    background: var(--danger-red);
    color: #fff;
}

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

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

.btn-outline-danger {
    background: transparent;
    border: 1px solid var(--danger-red);
    color: #fca5a5;
}

.btn-outline-danger:hover {
    background: var(--danger-red);
    color: #fff;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.btn-xs {
    padding: 4px 8px;
    font-size: 0.78rem;
}

.error-msg {
    margin-top: 14px;
    background: rgba(225, 29, 72, 0.15);
    border: 1px solid var(--danger-red);
    color: #fca5a5;
    padding: 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    text-align: center;
}

/* Application Layout */
.app-wrapper {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.top-bar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand .title {
    font-family: 'Cinzel', serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-gold);
}

.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.badge-code {
    background: #334155;
    color: #f1f5f9;
    border: 1px solid #475569;
}

.badge-game {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-green);
    border: 1px solid var(--success-green);
}

.badge-role {
    background: rgba(226, 176, 65, 0.15);
    color: var(--primary-gold);
    border: 1px solid var(--primary-gold);
}

.dm-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-dark);
    padding: 4px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.dm-selector label {
    font-size: 0.82rem;
    color: var(--primary-gold);
    font-weight: 600;
}

.dm-selector select {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
}

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

/* Workspace Split */
.workspace {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.pane {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.left-pane {
    flex: 65;
    border-right: 1px solid var(--border-color);
    background: #0b0d13;
}

.right-pane {
    flex: 35;
    background: var(--bg-card);
}

/* PDF Viewport & Toolbar */
.sheet-mode-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 16px;
}

.mode-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-gold);
    font-weight: 700;
    font-size: 0.92rem;
}

.pdf-zoom-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.zoom-badge {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    min-width: 42px;
    text-align: center;
}

.pdf-viewport {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.pdf-page-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: #141722;
    padding: 6px 12px;
    border-bottom: 1px solid var(--border-color);
}

.page-indicator {
    font-size: 0.85rem;
    color: var(--primary-gold);
    font-weight: 700;
}

.pdf-scroll-area {
    flex: 1;
    overflow: auto;
    padding: 16px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.pdf-interactive-paper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* PDF Page Canvas & Form Overlay Stack */
.pdf-page-wrapper {
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.7), 0 0 1px rgba(255,255,255,0.2);
    border-radius: 4px;
    background: #fff;
    overflow: hidden;
    margin: 0 auto;
}

.pdf-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.pdf-form-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
}

/* Interactive Input Elements Positioned Pixel-Perfectly over PDF Form Fields */
.pdf-field-input, .pdf-field-textarea {
    position: absolute;
    pointer-events: auto;
    background: rgba(226, 176, 65, 0.05);
    border: 1px dashed rgba(226, 176, 65, 0.25);
    color: transparent;
    font-weight: 700;
    font-size: 12px;
    padding: 1px 3px;
    border-radius: 2px;
    outline: none;
    transition: background 0.15s ease-in-out;
}

.pdf-field-input.rollable-field, .pdf-field-textarea.rollable-field {
    cursor: pointer;
}

.pdf-field-input.rollable-field:hover, .pdf-field-textarea.rollable-field:hover {
    background: rgba(245, 158, 11, 0.35) !important;
    border: 1px dashed #f59e0b !important;
}

.roll-badge-btn {
    position: absolute;
    z-index: 120;
    pointer-events: auto;
    background: var(--primary-gold);
    color: #000;
    font-size: 10px;
    font-weight: 800;
    padding: 1px 4px;
    border-radius: 3px;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
    transition: transform 0.15s, background 0.15s;
    line-height: 1.2;
}

.roll-badge-btn:hover {
    background: #f59e0b;
    transform: scale(1.2);
}

.pdf-field-input.user-modified, .pdf-field-textarea.user-modified {
    background: #ffffff !important;
    color: #000000 !important;
    border: 1px solid var(--primary-gold) !important;
}

.pdf-field-input:hover, .pdf-field-textarea:hover {
    background: rgba(226, 176, 65, 0.25);
    border-color: var(--primary-gold);
}

.pdf-field-input:focus, .pdf-field-textarea:focus {
    background: #ffffff !important;
    color: #000000 !important;
    border: 2px solid var(--primary-gold) !important;
    box-shadow: 0 0 8px rgba(226, 176, 65, 0.8);
    z-index: 100;
}

.pdf-field-textarea {
    resize: none;
    line-height: 1.25;
}

.pdf-field-checkbox {
    position: absolute;
    pointer-events: auto;
    cursor: pointer;
    accent-color: var(--primary-gold);
}

/* Placeholder Box */
.placeholder-box {
    text-align: center;
    max-width: 460px;
    padding: 40px 20px;
    margin: 40px auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.placeholder-icon {
    font-size: 3.5rem;
    color: var(--primary-gold);
    margin-bottom: 14px;
}

.placeholder-box h3 {
    margin-bottom: 8px;
    font-family: 'Cinzel', serif;
    color: var(--primary-gold);
}

.placeholder-box p {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-bottom: 20px;
}

/* Right Pane - Chat & Dice Roller */
.chat-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h3 {
    font-family: 'Cinzel', serif;
    font-size: 1.05rem;
    color: var(--primary-gold);
}

.dm-secret-box {
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid var(--secret-purple);
    padding: 4px 10px;
    border-radius: 6px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.secret-label {
    font-size: 0.8rem;
    color: #c4b5fd;
    font-weight: 600;
}

.chat-logs-container {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-msg {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 0.88rem;
}

.chat-msg.roll-msg {
    border-color: var(--primary-gold);
    background: rgba(226, 176, 65, 0.05);
}

.chat-msg.secret-msg {
    border-color: var(--secret-purple);
    background: rgba(139, 92, 246, 0.1);
}

.msg-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}

.msg-sender {
    font-weight: 700;
    color: var(--primary-gold);
    font-size: 0.82rem;
}

.msg-time {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.quick-dice-bar {
    display: flex;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    overflow-x: auto;
}

.dice-btn {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--primary-gold);
    color: var(--primary-gold);
    padding: 8px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.dice-btn:hover {
    background: var(--primary-gold);
    color: #000;
}

.chat-input-row {
    padding: 12px 16px;
    display: flex;
    gap: 8px;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
}

.chat-input-row input {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px 12px;
    border-radius: 8px;
    outline: none;
    font-size: 0.9rem;
}

.chat-input-row input:focus {
    border-color: var(--primary-gold);
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Utilities */
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.flex-1 { flex: 1; }