/* KAMP 2026 Premium Dark Glassmorphism Styling */

:root {
    /* HSL Color System */
    --bg-main: hsl(222, 47%, 7%);
    --bg-sidebar: hsl(222, 47%, 4%);
    --bg-card: hsla(222, 40%, 12%, 0.65);
    --bg-card-hover: hsla(222, 40%, 16%, 0.8);
    --border-color: hsla(220, 20%, 60%, 0.08);
    --border-color-glow: hsla(220, 100%, 60%, 0.15);
    
    --text-primary: hsl(210, 40%, 98%);
    --text-secondary: hsl(215, 20%, 75%);
    --text-muted: hsl(215, 16%, 50%);
    
    /* Branding Colors */
    --color-indigo: hsl(243, 75%, 59%);
    --color-indigo-glow: hsla(243, 75%, 59%, 0.3);
    --color-purple: hsl(271, 76%, 53%);
    --color-purple-glow: hsla(271, 76%, 53%, 0.3);
    --color-amber: hsl(35, 92%, 50%);
    --color-amber-glow: hsla(35, 92%, 50%, 0.3);
    --color-emerald: hsl(142, 70%, 45%);
    --color-emerald-glow: hsla(142, 70%, 45%, 0.3);
    --color-rose: hsl(350, 89%, 60%);
    
    /* Structural variables */
    --sidebar-width: 260px;
    --header-height: 70px;
    --border-radius-lg: 16px;
    --border-radius-md: 10px;
    --border-radius-sm: 6px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 1px 1px 0 rgba(255, 255, 255, 0.05) inset;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: var(--text-muted) transparent;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 10px;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    position: relative;
}

/* Background glows for premium ambient aesthetic */
.app-container::before, .app-container::after {
    content: "";
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    pointer-events: none;
}
.app-container::before {
    background: var(--color-indigo-glow);
    top: -100px;
    right: 10%;
}
.app-container::after {
    background: var(--color-purple-glow);
    bottom: -100px;
    left: 20%;
}

/* SIDEBAR STYLES */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 10;
}

.sidebar-logo {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-indigo), var(--color-purple));
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 15px var(--color-indigo-glow);
}

.logo-text h1 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
}

.logo-text span {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.sidebar-menu {
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-fill: 1;
    flex-grow: 1;
    overflow-y: auto;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
    position: relative;
}

.menu-item i {
    font-size: 18px;
    width: 24px;
    text-align: center;
    transition: var(--transition-fast);
}

.menu-item:hover {
    color: var(--text-primary);
    background-color: hsla(255, 255%, 255%, 0.03);
}

.menu-item.active {
    color: var(--text-primary);
    background: linear-gradient(90deg, hsla(243, 75%, 59%, 0.15), transparent);
    border-left: 3px solid var(--color-indigo);
    padding-left: 13px; /* visual alignment offset */
}

.menu-item.active i {
    color: var(--color-indigo);
}

.menu-item .badge {
    margin-left: auto;
    background-color: var(--bg-card-hover);
    color: var(--color-indigo);
    border: 1px solid var(--border-color-glow);
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
}

.sidebar-footer {
    padding: 24px;
    border-top: 1px solid var(--border-color);
    background-color: hsla(0, 0%, 0%, 0.1);
}

.footer-org p {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-org strong {
    font-family: var(--font-heading);
    font-size: 14px;
    color: var(--text-primary);
    display: block;
    margin-top: 2px;
}

.footer-conf span {
    font-size: 11px;
    color: var(--text-muted);
    display: block;
    margin-top: 4px;
}

/* MAIN CONTENT LAYOUT */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100vh;
}

/* HEADER STYLES */
.header {
    height: var(--header-height);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    background-color: hsla(222, 47%, 7%, 0.5);
    backdrop-filter: blur(10px);
    flex-shrink: 0;
}

.header-search {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 30px;
    width: 320px;
    transition: var(--transition-fast);
}

.header-search:focus-within {
    border-color: var(--color-indigo);
    box-shadow: 0 0 10px var(--color-indigo-glow);
}

.header-search i {
    color: var(--text-muted);
}

.header-search input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    width: 100%;
    outline: none;
    font-size: 13px;
}

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

.date-widget {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-weight: 500;
}

.date-widget i {
    color: var(--color-indigo);
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--border-radius-md);
    font-family: var(--font-heading);
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-fast);
    font-size: 13px;
    outline: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-indigo), var(--color-purple));
    color: var(--text-primary);
    box-shadow: 0 4px 15px var(--color-indigo-glow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background-color: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-accent {
    background-color: hsla(35, 92%, 50%, 0.15);
    border: 1px solid var(--color-amber-glow);
    color: var(--color-amber);
}

.btn-accent:hover {
    background-color: var(--color-amber);
    color: var(--bg-main);
    box-shadow: 0 4px 15px var(--color-amber-glow);
}

.btn-danger {
    background-color: hsla(350, 89%, 60%, 0.15);
    border: 1px solid rgba(244, 63, 94, 0.2);
    color: var(--color-rose);
}

.btn-danger:hover {
    background-color: var(--color-rose);
    color: var(--text-primary);
}

.btn-small {
    padding: 6px 12px;
    font-size: 11px;
    border-radius: var(--border-radius-sm);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* WORKSPACE VIEWPORT */
.workspace-viewport {
    flex-grow: 1;
    overflow-y: auto;
    padding: 32px;
    position: relative;
}

.tab-pane {
    display: none;
    flex-direction: column;
    gap: 32px;
    height: 100%;
    animation: fadeIn var(--transition-normal);
}

.tab-pane.active {
    display: flex;
}

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

/* WELCOME BANNER */
.welcome-banner {
    background: linear-gradient(135deg, hsla(243, 75%, 59%, 0.12), hsla(271, 76%, 53%, 0.12));
    border: 1px solid var(--border-color-glow);
    border-radius: var(--border-radius-lg);
    padding: 28px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(5px);
}

.welcome-text h2 {
    font-size: 24px;
    margin-bottom: 6px;
    background: linear-gradient(90deg, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.welcome-text p {
    color: var(--text-secondary);
    max-width: 650px;
    font-size: 14px;
}

.phase-indicator {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.indicator-label {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.indicator-badge {
    background: linear-gradient(135deg, var(--color-indigo), var(--color-purple));
    color: var(--text-primary);
    padding: 6px 14px;
    border-radius: 30px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 12px;
    box-shadow: 0 4px 10px var(--color-indigo-glow);
}

/* METRICS PANEL */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.metric-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
}

.metric-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-color-glow);
    background-color: var(--bg-card-hover);
}

.metric-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.metric-icon.val-indigo {
    background-color: hsla(243, 75%, 59%, 0.15);
    color: var(--color-indigo);
}

.metric-icon.val-amber {
    background-color: hsla(35, 92%, 50%, 0.15);
    color: var(--color-amber);
}

.metric-icon.val-purple {
    background-color: hsla(271, 76%, 53%, 0.15);
    color: var(--color-purple);
}

.metric-icon.val-emerald {
    background-color: hsla(142, 70%, 45%, 0.15);
    color: var(--color-emerald);
}

.metric-details {
    display: flex;
    flex-direction: column;
}

.metric-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.metric-value {
    font-size: 28px;
    font-weight: 700;
    margin: 2px 0;
    line-height: 1.1;
    font-family: var(--font-heading);
}

.metric-sub {
    font-size: 11px;
    color: var(--text-secondary);
}

/* GENERAL PANEL CARD */
.panel-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-header h3 {
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.panel-header h3 i {
    color: var(--color-indigo);
}

.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    background-color: hsla(243, 75%, 59%, 0.15);
    color: var(--color-indigo);
    border: 1px solid var(--border-color-glow);
}

.badge-accent {
    background-color: hsla(35, 92%, 50%, 0.15);
    color: var(--color-amber);
    border-color: var(--color-amber-glow);
}

/* LAYOUT: DASHBOARD SPLIT GRID */
.dashboard-layout {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 24px;
}

/* TIMELINE STYLES */
.timeline-container {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
    max-height: 480px;
}

.timeline-step {
    display: flex;
    gap: 16px;
    position: relative;
    padding-bottom: 8px;
}

.timeline-step:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 20px;
    top: 40px;
    bottom: -16px;
    width: 2px;
    background-color: var(--border-color);
    z-index: 1;
}

.timeline-step.passed:not(:last-child)::after {
    background-color: var(--color-indigo);
}

.timeline-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: var(--bg-card-hover);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    flex-shrink: 0;
    transition: var(--transition-normal);
    color: var(--text-muted);
}

.timeline-step.passed .timeline-icon {
    background-color: hsla(243, 75%, 59%, 0.1);
    border-color: var(--color-indigo);
    color: var(--color-indigo);
}

.timeline-step.current .timeline-icon {
    background-color: hsla(35, 92%, 50%, 0.15);
    border-color: var(--color-amber);
    color: var(--color-amber);
    box-shadow: 0 0 15px var(--color-amber-glow);
    animation: pulseGlow 2s infinite ease-in-out;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 5px var(--color-amber-glow); }
    50% { box-shadow: 0 0 15px rgba(245, 158, 11, 0.5); }
    100% { box-shadow: 0 0 5px var(--color-amber-glow); }
}

.timeline-content {
    flex-grow: 1;
    background-color: hsla(255, 255%, 255%, 0.015);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 14px 18px;
    transition: var(--transition-fast);
}

.timeline-step.current .timeline-content {
    border-color: var(--color-amber-glow);
    background-color: hsla(35, 92%, 50%, 0.03);
}

.timeline-content h4 {
    font-size: 13px;
    margin-bottom: 2px;
}

.timeline-content p {
    font-size: 12px;
    color: var(--text-secondary);
}

.timeline-date {
    display: inline-block;
    margin-top: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-indigo);
}

.timeline-step.current .timeline-date {
    color: var(--color-amber);
}

.countdown-sub {
    position: absolute;
    right: 18px;
    top: 14px;
    font-size: 11px;
    font-weight: 600;
    background-color: var(--color-amber);
    color: var(--bg-main);
    padding: 2px 8px;
    border-radius: 10px;
}

/* TASKS LIST PANEL */
.task-list {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    max-height: 480px;
}

.task-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 12px 16px;
    border-radius: var(--border-radius-md);
    background-color: hsla(255, 255%, 255%, 0.015);
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.task-item:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-color-glow);
}

.task-checkbox {
    font-size: 18px;
    color: var(--text-muted);
    cursor: pointer;
    margin-top: 2px;
}

.task-item.completed .task-checkbox {
    color: var(--color-emerald);
}

.task-text h4 {
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition-fast);
}

.task-item.completed .task-text h4 {
    text-decoration: line-through;
    color: var(--text-muted);
}

.task-text p {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 1px;
}

.task-item.completed .task-text p {
    color: var(--text-muted);
}

/* PRESENTER DATABASE / TOOLBAR & TABLE */
.full-viewport-panel {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    height: 100%;
}

.panel-toolbar {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: hsla(0, 0%, 0%, 0.1);
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-grow: 1;
}

.search-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 8px 14px;
    width: 280px;
}

.search-wrapper input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 13px;
    width: 100%;
}

.search-wrapper i {
    color: var(--text-muted);
}

.select-wrapper select {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: var(--border-radius-md);
    outline: none;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.select-wrapper select:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

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

.table-container {
    overflow-y: auto;
    flex-grow: 1;
    max-height: calc(100vh - 290px);
}

.presenters-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.presenters-table th {
    background-color: hsla(0, 0%, 0%, 0.2);
    padding: 14px 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.presenters-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    transition: var(--transition-fast);
}

.presenters-table tr:hover td {
    background-color: hsla(255, 255%, 255%, 0.015);
}

.presenters-table tr.selected td {
    background-color: hsla(243, 75%, 59%, 0.05);
    border-bottom-color: hsla(243, 75%, 59%, 0.2);
}

/* Presenter Custom Columns Formatting */
.user-profile-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-indigo-glow), var(--color-purple-glow));
    border: 1px solid var(--border-color-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-indigo);
    font-size: 14px;
}

.user-info h4 {
    font-size: 13.5px;
    font-weight: 600;
}

.user-info span {
    font-size: 11.5px;
    color: var(--text-muted);
    display: block;
}

.affiliation-cell strong {
    font-weight: 500;
    color: var(--text-secondary);
}

.affiliation-cell span {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 1px;
}

.paper-title-cell {
    max-width: 250px;
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.paper-title-cell:hover {
    white-space: normal;
    word-break: break-word;
}

/* Status Badges */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid transparent;
}

.status-pill.registered {
    background-color: hsla(220, 20%, 60%, 0.1);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.status-pill.accepted {
    background-color: hsla(243, 75%, 59%, 0.12);
    color: var(--color-indigo);
    border-color: var(--border-color-glow);
}

.status-pill.paper-submitted {
    background-color: hsla(271, 76%, 53%, 0.12);
    color: var(--color-purple);
    border-color: var(--color-purple-glow);
}

.status-pill.slides-submitted {
    background-color: hsla(35, 92%, 50%, 0.12);
    color: var(--color-amber);
    border-color: var(--color-amber-glow);
}

.status-pill.presented {
    background-color: hsla(142, 70%, 45%, 0.12);
    color: var(--color-emerald);
    border-color: var(--color-emerald-glow);
}

.status-pill.rejected {
    background-color: hsla(350, 89%, 60%, 0.1);
    color: var(--color-rose);
    border-color: rgba(244, 63, 94, 0.2);
}

.mode-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    font-size: 12px;
}

.mode-pill.physical {
    color: var(--color-emerald);
}

.mode-pill.online {
    color: var(--color-indigo);
}

/* ACTIONS */
.actions-cell {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-icon:hover {
    background-color: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-icon.delete:hover {
    background-color: hsla(350, 89%, 60%, 0.15);
    color: var(--color-rose);
    border-color: rgba(244, 63, 94, 0.2);
}

/* EMPTY STATE STYLE */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 40px;
    text-align: center;
}

.empty-state i {
    font-size: 64px;
    background: linear-gradient(135deg, var(--color-indigo), var(--color-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 18px;
    margin-bottom: 6px;
}

.empty-state p {
    color: var(--text-secondary);
    max-width: 420px;
    margin-bottom: 24px;
    font-size: 13px;
}

/* BATCH ACTIONS PILL */
.panel-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background-color: hsla(0, 0%, 0%, 0.15);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.table-summary {
    color: var(--text-muted);
    font-weight: 500;
}

.batch-actions-panel {
    display: flex;
    align-items: center;
    gap: 16px;
    animation: slideUp var(--transition-fast);
}

@keyframes slideUp {
    from { transform: translateY(10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.batch-count {
    color: var(--color-indigo);
    font-weight: 600;
    font-size: 12px;
}

.batch-btn-group {
    display: flex;
    gap: 8px;
}

/* EMAIL STUDIO DOCK */
.studio-layout {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 24px;
    height: calc(100vh - 190px);
}

.studio-editor {
    display: flex;
    flex-direction: column;
    padding: 24px;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.flex-fill {
    flex-grow: 1;
}

.label-with-hint {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.input-hint {
    font-size: 10px;
    color: var(--text-muted);
}

.input-hint code {
    background-color: var(--bg-sidebar);
    padding: 1px 4px;
    border-radius: 3px;
    color: var(--color-indigo);
}

.form-control {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 10px 14px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 13px;
    outline: none;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-indigo);
    box-shadow: 0 0 10px var(--color-indigo-glow);
}

.form-control-small {
    padding: 6px 10px;
    font-size: 12px;
}

.font-semibold {
    font-weight: 600;
}

.code-font {
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
}

.email-text-area {
    resize: none;
    height: 100%;
}

.editor-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* EMAIL STUDIO PREVIEW */
.studio-preview {
    display: flex;
    flex-direction: column;
    padding: 24px;
    gap: 16px;
}

.recipient-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
}

.recipient-selector-wrapper label {
    font-size: 12px;
    color: var(--text-muted);
}

.email-preview-container {
    flex-grow: 1;
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 250px;
}

.preview-header {
    background-color: hsla(0, 0%, 0%, 0.2);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 18px;
    font-size: 12.5px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.preview-header strong {
    color: var(--text-secondary);
}

.preview-header span {
    color: var(--text-primary);
}

.preview-body {
    padding: 20px 24px;
    overflow-y: auto;
    font-size: 13px;
    color: var(--text-primary);
    background-color: #ffffff; /* White background to mimic real client rendering */
    color: #334155;
    flex-grow: 1;
}

.preview-body p {
    margin-bottom: 1em;
    line-height: 1.6;
}

.dispatch-center {
    border: 1px solid var(--border-color-glow);
    background-color: hsla(243, 75%, 59%, 0.03);
    border-radius: var(--border-radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dispatch-center h4 {
    font-size: 13px;
    color: var(--text-primary);
}

.dispatch-center p {
    font-size: 11px;
    color: var(--text-secondary);
}

.dispatch-buttons {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1.2fr;
    gap: 10px;
    margin-top: 4px;
}

/* CERTIFICATE HUB LAYOUT */
.certificate-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    height: calc(100vh - 190px);
}

.certificate-settings {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.batch-cert-section {
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    padding-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.batch-cert-section h4 {
    font-size: 13px;
    color: var(--text-primary);
}

.batch-cert-section p {
    font-size: 11px;
    color: var(--text-muted);
}

.batch-cert-stats {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
}

.stat-row span {
    color: var(--text-muted);
}

.stat-row strong {
    color: var(--color-indigo);
}

.certificate-canvas-panel {
    display: flex;
    flex-direction: column;
    padding: 24px;
    overflow: hidden;
}

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

.cert-viewport {
    flex-grow: 1;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 20px;
    position: relative;
}

#certificate-canvas {
    max-width: 100%;
    max-height: 100%;
    background-color: #ffffff;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    aspect-ratio: 1050 / 742;
}

.cert-viewport-hint {
    margin-top: 12px;
    background-color: hsla(220, 20%, 60%, 0.05);
    border-radius: var(--border-radius-md);
    padding: 10px 14px;
}

.cert-viewport-hint p {
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.cert-viewport-hint i {
    color: var(--color-indigo);
}

/* SESSION PLANNER SCHEDULER */
.scheduler-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    height: calc(100vh - 190px);
}

.unscheduled-panel {
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.unscheduled-list {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.unscheduled-card {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 12px;
    cursor: grab;
    transition: var(--transition-fast);
}

.unscheduled-card:hover {
    border-color: var(--color-indigo-glow);
    background-color: var(--bg-card-hover);
    transform: translateX(2px);
}

.unscheduled-card h4 {
    font-size: 12.5px;
    font-weight: 600;
}

.unscheduled-card p {
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

.unscheduled-card .track-tag {
    font-size: 9px;
    font-weight: 700;
    color: var(--color-indigo);
    background-color: hsla(243, 75%, 59%, 0.1);
    padding: 1px 6px;
    border-radius: 10px;
    display: inline-block;
    margin-top: 6px;
}

.empty-scheduler-state {
    padding: 40px 10px;
    text-align: center;
    color: var(--text-muted);
}

.scheduler-grid-panel {
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.schedule-matrix {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 15px;
}

.session-slot-card {
    background-color: hsla(255, 255%, 255%, 0.015);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.session-slot-header {
    background-color: hsla(0, 0%, 0%, 0.2);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.session-slot-header h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.session-slot-header span {
    font-size: 11px;
    color: var(--text-muted);
}

.session-tracks-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    padding: 12px;
}

.track-lane {
    background-color: var(--bg-main);
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius-sm);
    min-height: 80px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.track-lane-title {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 4px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
}

.slotted-presentation {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color-glow);
    border-left: 3px solid var(--color-indigo);
    border-radius: 4px;
    padding: 8px;
    font-size: 11.5px;
    position: relative;
    cursor: pointer;
}

.slotted-presentation h5 {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.slotted-presentation p {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.slotted-presentation .btn-unslot {
    position: absolute;
    right: 4px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: hsla(350, 89%, 60%, 0.1);
    color: var(--color-rose);
    border: none;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    cursor: pointer;
}

.slotted-presentation:hover .btn-unslot {
    display: flex;
}

/* MODALS LAYOUT */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--transition-fast);
}

.modal-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color-glow);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), var(--shadow-premium);
    width: 580px;
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalPop var(--transition-normal);
}

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

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header h2 i {
    color: var(--color-indigo);
}

.btn-close-modal {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-close-modal:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: 70vh;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: 16px;
    margin-bottom: 16px;
}

.modal-body .form-group {
    margin-bottom: 16px;
}

/* CSV Mapper Grid */
.mapper-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 15px;
}

.mapper-row {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    align-items: center;
    gap: 20px;
    background-color: var(--bg-main);
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
}

.mapper-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12.5px;
}

.mapper-select-wrapper select {
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: var(--border-radius-sm);
    outline: none;
    font-size: 12px;
}

/* RESPONSIVE DESIGN - TABLETS & LAPTOPS */
@media (max-width: 1200px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .dashboard-layout {
        grid-template-columns: 1fr;
    }
    .studio-layout {
        grid-template-columns: 1fr;
        height: auto;
        overflow-y: auto;
    }
    .email-preview-container {
        min-height: 400px;
    }
    .certificate-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
    .scheduler-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
}