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

:root {
    --primary: #6c5ce7;
    --primary-dark: #5849c4;
    --secondary: #00cec9;
    --success: #00b894;
    --danger: #ff7675;
    --warning: #fdcb6e;
    --dark-bg: #0a0e27;
    --dark-surface: #151932;
    --dark-elevated: #1e2343;
    --text-primary: #ffffff;
    --text-secondary: #a0a8c5;
    --border-color: #2d3561;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated Background */
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0e27 0%, #151932 50%, #1a1f3a 100%);
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 20s infinite ease-in-out;
}

.particle:nth-child(1) {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
    animation-duration: 15s;
    box-shadow: 0 0 20px var(--primary);
}

.particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 3s;
    animation-duration: 18s;
    background: var(--secondary);
    box-shadow: 0 0 20px var(--secondary);
}

.particle:nth-child(3) {
    top: 80%;
    left: 30%;
    animation-delay: 6s;
    animation-duration: 22s;
    background: var(--success);
    box-shadow: 0 0 20px var(--success);
}

.particle:nth-child(4) {
    top: 40%;
    left: 60%;
    animation-delay: 9s;
    animation-duration: 20s;
    background: var(--warning);
    box-shadow: 0 0 20px var(--warning);
}

.particle:nth-child(5) {
    top: 10%;
    left: 90%;
    animation-delay: 12s;
    animation-duration: 25s;
    background: var(--secondary);
    box-shadow: 0 0 20px var(--secondary);
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }
    25% {
        transform: translate(100px, -100px) scale(1.5);
        opacity: 0.8;
    }
    50% {
        transform: translate(-50px, -150px) scale(1.2);
        opacity: 0.4;
    }
    75% {
        transform: translate(-150px, 50px) scale(1.3);
        opacity: 0.7;
    }
}

/* Container */
.container {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Header */
.simple-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    background: rgba(21, 25, 50, 0.95);
    border-bottom: 2px solid var(--primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    flex-shrink: 0;
    backdrop-filter: blur(10px);
    gap: 0.75rem;
    flex-wrap: nowrap;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    min-width: 0;
}

.current-event-indicator {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.6rem;
    background: rgba(108, 92, 231, 0.2);
    border: 1px solid var(--primary);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--secondary);
    white-space: nowrap;
}

.current-event-indicator svg {
    flex-shrink: 0;
}

.simple-header h1 {
    font-size: 1.1rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    font-weight: 700;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-logo {
    height: 1.8rem;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(108, 92, 231, 0.4));
}

.stats-counter {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.stat-box {
    text-align: center;
    padding: 0.3rem 0.6rem;
    background: rgba(30, 35, 67, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    min-width: 80px;
}

.stat-label {
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.15rem;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-value.taken {
    color: #ff6b6b;
}

.stat-value.available {
    color: #4e8cff;
}

.action-buttons {
    display: flex;
    gap: 1rem;
}

.main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    background: var(--dark-surface);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
}

.header-left h1 {
    font-size: 1.3rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    font-weight: 700;
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.header-stats-inline {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.stat-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stat-inline-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-inline-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-inline-value.available {
    color: var(--success);
}

.stat-inline-value.taken {
    color: var(--danger);
}

.header-right {
    display: flex;
    gap: 0.75rem;
}

.menu-toggle-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    background: var(--dark-elevated);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.85rem;
}

.menu-toggle-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* Toolbar */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1.25rem;
    background: var(--dark-elevated);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.toolbar-left,
.toolbar-right {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.mode-btn {
    flex: 1;
    min-width: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    background: var(--dark-elevated);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 0.9rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.8rem;
}

.mode-btn:hover {
    border-color: var(--primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.mode-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

/* Action Buttons */
.header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-shrink: 0;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-shrink: 0;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: nowrap;
    align-items: center;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--dark-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.45rem 0.7rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.8rem;
    white-space: nowrap;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
}

.take-btn {
    background: linear-gradient(135deg, var(--success), #00a67d);
    border-color: var(--success);
}

.take-btn:hover {
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.5);
}

.release-btn {
    background: linear-gradient(135deg, var(--danger), #e84a4a);
    border-color: var(--danger);
}

.release-btn:hover {
    box-shadow: 0 6px 20px rgba(255, 118, 117, 0.5);
}

.release-all-btn {
    background: linear-gradient(135deg, #d63031, #b71c1c);
    border-color: #d63031;
}

.release-all-btn:hover {
    box-shadow: 0 6px 20px rgba(214, 48, 49, 0.6);
}

#exportData:hover {
    background: var(--success);
    border-color: var(--success);
}

/* User Info */
.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    background: rgba(30, 35, 67, 0.6);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: auto;
}

#currentUserName {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.8rem;
}

.user-role {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
}

.user-role.admin {
    background: linear-gradient(135deg, var(--warning), #f39c12);
    color: #000;
}

.user-role.user {
    background: linear-gradient(135deg, var(--secondary), #00a8a3);
    color: #fff;
}

.logout-btn {
    background: var(--danger);
    border: none;
    color: #fff;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.75rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.logout-btn:hover {
    background: #e84a4a;
    transform: scale(1.05);
}

/* Auth Modal */
.auth-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.auth-modal.active {
    display: flex;
}

.auth-modal-content {
    background: var(--dark-surface);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    border: 2px solid var(--primary);
    max-width: 400px;
    width: 90%;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-modal-content h2 {
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
    text-align: center;
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    background: var(--dark-elevated);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(108, 92, 231, 0.3);
}

.auth-btn {
    width: 100%;
    padding: 0.9rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: 6px;
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.5);
}

.auth-toggle {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-toggle a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    margin-left: 0.3rem;
    transition: color 0.3s ease;
}

.auth-toggle a:hover {
    color: var(--secondary);
}

/* Events Sidebar */
.events-sidebar {
    width: 320px;
    background: var(--dark-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1rem 0.75rem 1rem;
    background: transparent;
}

.sidebar-header h3 {
    font-size: 1rem;
    margin: 0;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.refresh-events-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.refresh-events-btn:hover {
    background: var(--dark-elevated);
    color: var(--primary);
    border-color: var(--primary);
    transform: rotate(180deg);
}

.events-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
}

.loading-events {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.event-item {
    background: rgba(30, 35, 67, 0.6);
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 0.85rem;
    margin-bottom: 0.65rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.event-item:hover {
    border-color: var(--primary);
    background: rgba(30, 35, 67, 0.9);
    box-shadow: 0 2px 12px rgba(108, 92, 231, 0.25);
    transform: translateX(3px);
}

.event-item.active {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.25), rgba(0, 206, 201, 0.15));
    box-shadow: 0 0 15px rgba(108, 92, 231, 0.35);
}

.event-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    line-height: 1.3;
}

.event-date {
    font-size: 0.75rem;
    color: var(--secondary);
    margin-bottom: 0.3rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.event-date svg {
    width: 14px;
    height: 14px;
}

.event-location {
    font-size: 0.7rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.event-location svg {
    width: 12px;
    height: 12px;
}

/* Hall Main Area */
.hall-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: transparent;
    margin: 0;
    padding: 0;
}

/* Workspace Container */
.workspace-container {
    display: grid;
    grid-template-columns: 1fr 320px 350px;
    gap: 1rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
    height: calc(100vh - 280px);
}

.workspace {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.workspace-header {
    background: linear-gradient(135deg, var(--dark-elevated), var(--dark-surface));
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.workspace-header h2 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin: 0;
}

.header-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.header-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.hall-workspace .stat-card {
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    text-align: center;
    transition: all 0.3s ease;
}

.hall-workspace .stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
    border-color: var(--primary);
}

.hall-workspace .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hall-workspace .stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.hall-workspace {
    height: 100%;
}

.creation-workspace {
    display: flex;
    flex-direction: column;
}

.info-workspace {
    display: flex;
    flex-direction: column;
}

/* Side Panels */
.side-panel {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: var(--dark-surface);
    border-left: 1px solid var(--border-color);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.side-panel.active {
    right: 0;
}

.side-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    background: var(--dark-elevated);
    border-bottom: 1px solid var(--border-color);
}

.side-panel-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.panel-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.panel-close:hover {
    background: var(--danger);
    color: white;
}

.side-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.creation-section {
    margin-bottom: 1rem;
}

.creation-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.creation-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--dark-elevated);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.creation-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.creation-slider {
    width: 100%;
    height: 6px;
    background: var(--dark-elevated);
    border-radius: 5px;
    outline: none;
    -webkit-appearance: none;
}

.creation-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.creation-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px var(--primary);
}

.creation-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.slider-value {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.creation-checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1rem;
}

.creation-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary);
}

.generate-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.5);
}

.creation-info {
    background: var(--dark-elevated);
    border-left: 3px solid var(--secondary);
    padding: 1rem;
    border-radius: 8px;
}

.creation-info p {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.creation-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.creation-info li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.creation-info li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.config-rows-btn {
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--dark-elevated);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

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

.row-config-container {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--dark-elevated);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.row-config-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.apply-all-btn {
    padding: 0.4rem 0.8rem;
    background: var(--secondary);
    border: none;
    border-radius: 6px;
    color: white;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.apply-all-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 10px rgba(0, 206, 201, 0.4);
}

.row-config-list {
    max-height: 250px;
    overflow-y: auto;
    margin-top: 1rem;
}

.row-config-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.row-config-item label {
    color: var(--text-primary);
    font-weight: 600;
    min-width: 60px;
}

.row-config-item input {
    flex: 1;
    padding: 0.5rem;
    background: var(--dark-elevated);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.row-config-item input:focus {
    outline: none;
    border-color: var(--primary);
}

.hall-canvas-wrapper {
    position: relative;
    width: 100%;
    flex: 1;
    background: var(--dark-bg);
    overflow: auto;
    padding: 1rem 2rem;
}

.hall-canvas {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(21, 25, 50, 0.6);
    border-radius: 16px;
    padding: 1.5rem 2rem 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.hall-canvas img {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0.7;
}

/* ========== STAGE ========== */
.stage {
    width: 100%;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(to bottom, #e0e0e0, #f7f7f7);
    border: 1px solid #d0d0d0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    color: #333;
}

/* ========== HALL GRID ========== */
.hall {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.hall-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.hall-row-spaced {
    margin-top: 1.5rem;
}

.row-label,
.row-label-right {
    white-space: nowrap;
    font-weight: 500;
    color: #444;
}

.row-label-right {
    text-align: right;
}

.row-seats {
    display: flex;
    gap: 0.25rem;
    justify-content: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 0.25rem 0;
}

/* ========== HALL SEATS ========== */
.hall-seat {
    width: 28px;
    height: 28px;
    border-radius: 7px;
    border: 1px solid #c0c0c0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    cursor: pointer;
    background: #ffffff;
    transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.1s ease, border-color 0.15s ease;
    user-select: none;
}

.hall-seat:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
}

.hall-seat[data-status="free"] {
    background: #ffffff;
    border-color: #c0c0c0;
    color: #333;
}

.hall-seat[data-status="selected"] {
    background: #ff6b6b;
    color: #ffffff;
    border-color: #d64545;
}

.hall-seat[data-status="reserved"] {
    background: #ff6b6b;
    color: #ffffff;
    border-color: #d64545;
}

.hall-seat[data-status="disabled"] {
    background: #e0e0e0;
    color: #999999;
    border-style: dashed;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.hall-seat.seat-highlighted {
    outline: 3px solid #ffd700;
    outline-offset: 2px;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
    z-index: 10;
}

/* Scrollbar for narrow screens */
.row-seats::-webkit-scrollbar {
    height: 6px;
}
.row-seats::-webkit-scrollbar-thumb {
    background: #c4c4c4;
    border-radius: 4px;
}
.row-seats::-webkit-scrollbar-track {
    background: #f0f0f0;
}

.placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
}

.placeholder svg {
    opacity: 0.3;
    margin-bottom: 1rem;
}

/* Management Info Workspace */
.info-content {
    padding: 1rem;
    flex: 1;
    overflow-y: auto;
}

.info-section {
    margin-bottom: 1.25rem;
}

.info-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--dark-elevated);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.user-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.user-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.info-stats {
    background: var(--dark-elevated);
    border-radius: 8px;
    padding: 1rem;
}

.info-stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.info-stat-item:last-child {
    border-bottom: none;
}

.info-stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.info-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.info-stat-value.taken {
    color: var(--danger);
}

.info-stat-value.available {
    color: var(--success);
}

.change-log {
    background: var(--dark-elevated);
    border-radius: 8px;
    padding: 1rem;
    max-height: 200px;
    overflow-y: auto;
}

.log-item {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.log-item:last-child {
    border-bottom: none;
}

.log-item.new {
    color: var(--text-primary);
    animation: highlight 1s ease;
}

@keyframes highlight {
    0% {
        background: rgba(108, 92, 231, 0.3);
    }
    100% {
        background: transparent;
    }
}

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.quick-action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--dark-elevated);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.quick-action-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateX(5px);
}

/* Seat */
.seat {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid;
    animation: seatAppear 0.4s ease-out;
    transform: translate(-50%, -50%);
    z-index: 100;
    pointer-events: auto;
}

@keyframes seatAppear {
    from {
        transform: scale(0) rotate(180deg);
        opacity: 0;
    }
    to {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.seat.available {
    background: rgba(0, 190, 148, 0.2);
    border-color: var(--success);
    color: var(--success);
}

.seat.available:hover {
    background: var(--success);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 190, 148, 0.5);
}

.seat.taken {
    background: rgba(255, 118, 117, 0.2);
    border-color: var(--danger);
    color: var(--danger);
}

.seat.taken:hover {
    background: var(--danger);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(255, 118, 117, 0.5);
}

.seat.highlight {
    animation: pulse-highlight 1s ease-in-out 2;
    box-shadow: 0 0 30px currentColor;
}

.seat.dragging {
    opacity: 0.6;
    cursor: move;
    z-index: 1000;
    transform: scale(1.1) translate(-50%, -50%);
}

.hall-canvas.drag-active {
    cursor: move;
}



@keyframes pulse-highlight {
    0%, 100% {
        transform: scale(1) translate(-50%, -50%);
    }
    50% {
        transform: scale(1.3) translate(-38%, -38%);
    }
}

/* Context Menu */
.context-menu {
    position: fixed;
    background: var(--dark-elevated);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    display: none;
    z-index: 1000;
    min-width: 150px;
}

.context-menu.active {
    display: block;
    animation: contextAppear 0.2s ease-out;
}

@keyframes contextAppear {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.context-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
}

.context-item:hover {
    background: var(--primary);
}

/* Legend */
.legend-overlay {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1.25rem;
    padding: 0.75rem 1.5rem;
    background: rgba(21, 25, 50, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    z-index: 100;
    backdrop-filter: blur(10px);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.legend-dot {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    border: 2px solid;
}

.legend-dot.available {
    background: rgba(0, 190, 148, 0.2);
    border-color: var(--success);
}

.legend-dot.taken {
    background: rgba(255, 118, 117, 0.2);
    border-color: var(--danger);
}

.legend-dot.hover {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 10px var(--primary);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.8rem;
    }

    .mode-selector {
        flex-direction: column;
    }

    .mode-btn {
        width: 100%;
    }

    .stats-panel {
        grid-template-columns: 1fr;
    }

    .seat {
        width: 30px;
        height: 30px;
        font-size: 0.6rem;
    }

    .main-header {
        flex-direction: column;
        gap: 1rem;
    }

    .header-stats-inline {
        flex-direction: column;
        gap: 0.5rem;
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
    }

    .toolbar {
        flex-direction: column;
        gap: 0.5rem;
    }

    .side-panel {
        width: 100%;
        right: -100%;
    }

    .legend-overlay {
        bottom: 1rem;
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.75rem 1rem;
    }

    .hall-workspace .stat-card {
        padding: 0.75rem;
    }

    .hall-workspace .stat-value {
        font-size: 1.5rem;
    }
}