/**
 * Daïs — Conference Management Platform
 * Clean, professional design — Bootstrap-3-inspired, no heavy gradients
 * v1.2 — improved shadows, depth, utilities, new components
 */

/* ==============================================
   RESET & BASE
   ============================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background: #eef0f3;
}

a {
    color: #337ab7;
    text-decoration: none;
}
a:hover {
    color: #23527c;
    text-decoration: underline;
}

/* ==============================================
   LAYOUT
   ============================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 20px;
}

.container-narrow {
    max-width: 820px;
    margin: 0 auto;
    padding: 24px 20px;
}

.content-wrapper {
    background: #fff;
    border: 1px solid #dde3ea;
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

/* ==============================================
   HEADER
   ============================================== */
.header {
    background: #337ab7;
    color: #fff;
    padding: 22px 24px;
    border-radius: 6px;
    margin-bottom: 24px;
    border: 1px solid #2e6da4;
    box-shadow: 0 2px 6px rgba(51,122,183,.25);
}

.header h1 {
    font-size: 26px;
    margin-bottom: 6px;
    font-weight: 600;
    letter-spacing: -.3px;
}

.header p {
    font-size: 14px;
    margin: 4px 0;
    opacity: .92;
}

.header .subtitle {
    font-size: 13px;
    opacity: .8;
}

.header a { color: #d6eaff; }
.header a:hover { color: #fff; text-decoration: underline; }

/* ==============================================
   NAVIGATION
   ============================================== */
.nav {
    background: #fff;
    border: 1px solid #dde3ea;
    border-radius: 6px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,.05);
    overflow: hidden;
}

.nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
}

.nav li { display: inline-block; }

.nav a {
    display: block;
    padding: 13px 18px;
    color: #555;
    font-size: 13px;
    font-weight: 500;
    border-right: 1px solid #e8ecf0;
    transition: background .15s, color .15s;
}

.nav li:last-child a { border-right: none; }
.nav a:hover { background: #f5f7fa; color: #337ab7; text-decoration: none; }
.nav a.active { background: #337ab7; color: #fff; }

/* ==============================================
   PANELS
   ============================================== */
.panel {
    background: #fff;
    border: 1px solid #dde3ea;
    border-radius: 6px;
    margin-bottom: 20px;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

.panel-header {
    background: #f8f9fb;
    border-bottom: 1px solid #dde3ea;
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 600;
    color: #2c3e50;
    border-radius: 6px 6px 0 0;
    border-left: 3px solid #337ab7;
}

.panel-body {
    padding: 16px;
}

.panel-footer {
    background: #f8f9fb;
    border-top: 1px solid #dde3ea;
    padding: 12px 16px;
    border-radius: 0 0 6px 6px;
}

/* panel-header colour variants */
.panel-header-success { border-left-color: #5cb85c; }
.panel-header-warning { border-left-color: #f0ad4e; }
.panel-header-danger  { border-left-color: #d9534f; }
.panel-header-info    { border-left-color: #5bc0de; }

/* ==============================================
   CARDS
   ============================================== */
.card {
    background: #fff;
    border: 1px solid #dde3ea;
    border-radius: 6px;
    margin-bottom: 20px;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
    transition: box-shadow .2s;
}
.card:hover { box-shadow: 0 3px 10px rgba(0,0,0,.1); }

.card-header {
    padding: 12px 16px;
    background: #f8f9fb;
    border-bottom: 1px solid #dde3ea;
    font-weight: 600;
    border-radius: 6px 6px 0 0;
}

.card-body { padding: 16px; }

.card-footer {
    padding: 12px 16px;
    background: #f8f9fb;
    border-top: 1px solid #dde3ea;
    border-radius: 0 0 6px 6px;
}

/* ==============================================
   STATS CARDS
   ============================================== */
.stat-card {
    background: #fff;
    border: 1px solid #dde3ea;
    border-radius: 6px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
    border-top: 3px solid #337ab7;
    transition: box-shadow .2s, transform .2s;
}
.stat-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,.1); transform: translateY(-1px); }

.stat-card .stat-number {
    font-size: 38px;
    font-weight: 700;
    color: #337ab7;
    margin-bottom: 6px;
    line-height: 1;
}
.stat-card .stat-label {
    font-size: 12px;
    color: #7f8c9a;
    text-transform: uppercase;
    letter-spacing: .5px;
    font-weight: 600;
}

/* stat-card colour variants */
.stat-card-success { border-top-color: #5cb85c; }
.stat-card-success .stat-number { color: #5cb85c; }
.stat-card-danger  { border-top-color: #d9534f; }
.stat-card-danger  .stat-number { color: #d9534f; }
.stat-card-warning { border-top-color: #f0ad4e; }
.stat-card-warning .stat-number { color: #e67e22; }
.stat-card-info    { border-top-color: #5bc0de; }
.stat-card-info    .stat-number { color: #2e9cbf; }

/* ==============================================
   FORMS
   ============================================== */
.form-group { margin-bottom: 16px; }

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #2c3e50;
    font-size: 13px;
}

.form-group label.required::after { content: " *"; color: #d9534f; }

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ccd3dc;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    background: #fff;
    color: #333;
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus {
    outline: none;
    border-color: #5a9ed6;
    box-shadow: 0 0 0 3px rgba(51,122,183,.15);
}
.form-control.error { border-color: #d9534f; }
.form-control:disabled, .form-control[readonly] {
    background: #f4f6f8;
    cursor: not-allowed;
    color: #888;
}

textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control { cursor: pointer; }

.form-help {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: #7f8c9a;
}

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

.form-check { margin-bottom: 10px; padding-left: 22px; }
.form-check input[type="radio"],
.form-check input[type="checkbox"] { margin-left: -22px; margin-right: 6px; cursor: pointer; }
.form-check label { display: inline; font-weight: normal; cursor: pointer; }

/* ==============================================
   BUTTONS
   ============================================== */
.btn {
    display: inline-block;
    padding: 7px 14px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: background .15s, border-color .15s, box-shadow .15s, transform .1s;
    font-family: inherit;
    line-height: 1.5;
    vertical-align: middle;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 2px 6px rgba(0,0,0,.12); text-decoration: none; }
.btn:active { transform: translateY(0); box-shadow: none; }

/* Size variants */
.btn-lg  { padding: 10px 20px; font-size: 16px; border-radius: 5px; }
.btn-sm  { padding: 4px 10px; font-size: 12px; border-radius: 3px; }
.btn-xs  { padding: 2px 7px; font-size: 11px; border-radius: 3px; }

/* Colour variants */
.btn-primary   { background: #337ab7; border-color: #2e6da4; color: #fff; }
.btn-primary:hover { background: #286090; border-color: #204d74; color: #fff; }

.btn-success   { background: #5cb85c; border-color: #4cae4c; color: #fff; }
.btn-success:hover { background: #449d44; border-color: #398439; color: #fff; }

.btn-warning   { background: #f0ad4e; border-color: #eea236; color: #fff; }
.btn-warning:hover { background: #ec971f; border-color: #d58512; color: #fff; }

.btn-danger    { background: #d9534f; border-color: #d43f3a; color: #fff; }
.btn-danger:hover { background: #c9302c; border-color: #ac2925; color: #fff; }

.btn-info      { background: #5bc0de; border-color: #46b8da; color: #fff; }
.btn-info:hover { background: #31b0d5; border-color: #269abc; color: #fff; }

.btn-secondary { background: #6c757d; border-color: #6c757d; color: #fff; }
.btn-secondary:hover { background: #5a6268; border-color: #545b62; color: #fff; }

.btn-default   { background: #fff; border-color: #ccd3dc; color: #444; }
.btn-default:hover { background: #f4f6f8; border-color: #b5bdc7; color: #333; }

.btn-link {
    background: transparent;
    color: #337ab7;
    border: none;
    padding: 4px 6px;
    box-shadow: none;
}
.btn-link:hover { color: #23527c; text-decoration: underline; transform: none; box-shadow: none; }

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

.btn:disabled, .btn.disabled {
    opacity: .55;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* ==============================================
   ALERTS
   ============================================== */
.alert {
    padding: 12px 16px;
    border: 1px solid transparent;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 14px;
    border-left-width: 4px;
}

.alert-success { background: #f0faf0; border-color: #c3e6cb; border-left-color: #5cb85c; color: #2d6a2d; }
.alert-error,
.alert-danger  { background: #fdf2f2; border-color: #f5c6cb; border-left-color: #d9534f; color: #7a1f1f; }
.alert-warning { background: #fffbf0; border-color: #fde2a3; border-left-color: #f0ad4e; color: #7a5a00; }
.alert-info    { background: #f0f8ff; border-color: #bee5eb; border-left-color: #5bc0de; color: #1a5f7a; }

/* ==============================================
   TABLES
   ============================================== */
.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

.table thead { background: #f4f6f9; }
.table th {
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: #2c3e50;
    border-bottom: 2px solid #dde3ea;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .4px;
    white-space: nowrap;
}
.table td {
    padding: 10px 12px;
    border-bottom: 1px solid #edf0f4;
    color: #444;
    vertical-align: middle;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #f5f8fc; }
.table-striped tbody tr:nth-child(even) { background: #f9fafb; }
.table-responsive { overflow-x: auto; }

/* data-table (same as table, used as alias) */
.data-table { width: 100%; border-collapse: collapse; }
.data-table thead { background: #f4f6f9; border-bottom: 2px solid #dde3ea; }
.data-table th { padding: 10px 12px; text-align: left; font-weight: 600; color: #2c3e50;
                  font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
.data-table td { padding: 10px 12px; border-bottom: 1px solid #edf0f4; font-size: 14px; color: #555; vertical-align: middle; }
.data-table tbody tr:hover { background: #f5f8fc; }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ==============================================
   BADGES
   ============================================== */
.badge {
    display: inline-block;
    padding: 3px 9px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 20px;
    color: #fff;
    letter-spacing: .2px;
    white-space: nowrap;
}

.badge-primary   { background: #337ab7; }
.badge-success   { background: #5cb85c; }
.badge-warning   { background: #f0ad4e; color: #555; }
.badge-danger    { background: #d9534f; }
.badge-info      { background: #5bc0de; }
.badge-secondary { background: #6c757d; }
.badge-dark      { background: #343a40; }

/* ==============================================
   FILE UPLOAD
   ============================================== */
.file-upload-area {
    border: 2px dashed #c2ccd8;
    border-radius: 6px;
    padding: 32px;
    text-align: center;
    background: #fafbfc;
    cursor: pointer;
    transition: border-color .2s, background .2s;
}
.file-upload-area:hover { border-color: #337ab7; background: #f0f6ff; }
.file-upload-area.drag-over { border-color: #337ab7; background: #e8f2ff; }
.file-upload-icon { font-size: 44px; color: #b0bac6; margin-bottom: 12px; }
.file-upload-text { font-size: 15px; color: #555; margin-bottom: 8px; }
.file-upload-hint { font-size: 12px; color: #9aa5b0; }

/* ==============================================
   LOADING SPINNER
   ============================================== */
.spinner {
    display: inline-block;
    width: 20px; height: 20px;
    border: 3px solid rgba(0,0,0,.1);
    border-top-color: #337ab7;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ==============================================
   TABS
   ============================================== */
.tab-nav {
    display: flex;
    border-bottom: 2px solid #dde3ea;
    margin-bottom: 20px;
    gap: 2px;
    flex-wrap: wrap;
}
.tab-nav a, .tab-nav button {
    display: inline-block;
    padding: 9px 16px;
    font-size: 13px;
    font-weight: 500;
    color: #666;
    background: #f4f6f9;
    border: 1px solid #dde3ea;
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
    transition: background .15s, color .15s;
    margin-bottom: -2px;
}
.tab-nav a:hover, .tab-nav button:hover { background: #e8ecf2; color: #337ab7; }
.tab-nav a.active, .tab-nav button.active {
    background: #fff;
    color: #337ab7;
    border-bottom: 2px solid #fff;
    font-weight: 600;
}
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ==============================================
   TIMELINE (paper status history)
   ============================================== */
.timeline { list-style: none; padding: 0; position: relative; }
.timeline::before {
    content: '';
    position: absolute;
    left: 16px; top: 0; bottom: 0;
    width: 2px;
    background: #dde3ea;
}
.timeline-item { position: relative; padding: 0 0 20px 44px; }
.timeline-icon {
    position: absolute;
    left: 4px; top: 2px;
    width: 24px; height: 24px;
    border-radius: 50%;
    background: #337ab7;
    color: #fff;
    text-align: center;
    line-height: 24px;
    font-size: 11px;
    z-index: 1;
}
.timeline-icon.success { background: #5cb85c; }
.timeline-icon.warning { background: #f0ad4e; }
.timeline-icon.danger  { background: #d9534f; }
.timeline-icon.muted   { background: #aaa; }
.timeline-content {
    background: #f8f9fb;
    border: 1px solid #dde3ea;
    border-radius: 5px;
    padding: 10px 14px;
    font-size: 13px;
}
.timeline-content strong { color: #2c3e50; }
.timeline-content small { color: #9aa5b0; }

/* ==============================================
   REGISTRATION STATUS BADGES
   ============================================== */
.reg-status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.reg-status-registered  { background: #e8f5e9; color: #2e7d32; border: 1px solid #c8e6c9; }
.reg-status-paid        { background: #e3f2fd; color: #1565c0; border: 1px solid #bbdefb; }
.reg-status-pending     { background: #fff8e1; color: #e65100; border: 1px solid #ffecb3; }
.reg-status-unregistered{ background: #fce4ec; color: #c62828; border: 1px solid #f8bbd0; }
.reg-status-organizer   { background: #f3e5f5; color: #6a1b9a; border: 1px solid #e1bee7; }

/* ==============================================
   PROCEEDINGS / PAPER PIPELINE
   ============================================== */
.pipeline {
    display: flex;
    align-items: stretch;
    gap: 0;
    margin-bottom: 24px;
    border: 1px solid #dde3ea;
    border-radius: 6px;
    overflow: hidden;
}
.pipeline-step {
    flex: 1;
    padding: 16px 14px;
    text-align: center;
    background: #f8f9fb;
    border-right: 1px solid #dde3ea;
    position: relative;
}
.pipeline-step:last-child { border-right: none; }
.pipeline-step.done  { background: #f0faf0; }
.pipeline-step.active{ background: #fffbf0; border-top: 2px solid #f0ad4e; }
.pipeline-step .step-num { font-size: 22px; font-weight: 700; color: #b0bac6; }
.pipeline-step.done  .step-num { color: #5cb85c; }
.pipeline-step.active .step-num { color: #e67e22; }
.pipeline-step .step-label { font-size: 11px; color: #7f8c9a; text-transform: uppercase; letter-spacing: .4px; margin-top: 4px; font-weight: 600; }

/* ==============================================
   SEARCH BAR
   ============================================== */
.search-bar {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 16px;
}
.search-bar .form-control { flex: 1; }

/* ==============================================
   SECTION DIVIDERS
   ============================================== */
.section-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .6px;
    color: #7f8c9a;
    margin: 0 0 12px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid #edf0f4;
}

/* ==============================================
   LOCK / STATUS BANNERS
   ============================================== */
.lock-banner {
    border-left: 4px solid #e67e22;
    background: #fffbf0;
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 16px;
    color: #7a5a00;
    font-size: 13px;
}
.info-banner {
    border-left: 4px solid #5bc0de;
    background: #f0f8ff;
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 16px;
    color: #1a5f7a;
    font-size: 13px;
}
.success-banner {
    border-left: 4px solid #5cb85c;
    background: #f0faf0;
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 16px;
    color: #2d6a2d;
    font-size: 13px;
}

/* ==============================================
   FOOTER
   ============================================== */
.footer {
    text-align: center;
    padding: 24px 20px;
    color: #9aa5b0;
    font-size: 12px;
    margin-top: 40px;
    border-top: 1px solid #dde3ea;
}
.footer a { color: #337ab7; }
.footer a:hover { text-decoration: underline; }

/* ==============================================
   UTILITY CLASSES
   ============================================== */
/* Text */
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.text-left    { text-align: left; }
.text-muted   { color: #7f8c9a; }
.text-primary { color: #337ab7; }
.text-success { color: #5cb85c; }
.text-danger  { color: #d9534f; }
.text-warning { color: #e67e22; }
.text-info    { color: #2e9cbf; }
.text-dark    { color: #2c3e50; }
.text-white   { color: #fff; }
.small, small { font-size: 12px; }
.font-weight-bold { font-weight: 700; }
.font-weight-600  { font-weight: 600; }
.nowrap       { white-space: nowrap; }

/* Spacing */
.mt-0  { margin-top: 0 !important; }
.mt-5  { margin-top: 5px; }
.mt-10 { margin-top: 10px; }
.mt-15 { margin-top: 15px; }
.mt-20 { margin-top: 20px; }
.mb-0  { margin-bottom: 0 !important; }
.mb-5  { margin-bottom: 5px; }
.mb-10 { margin-bottom: 10px; }
.mb-15 { margin-bottom: 15px; }
.mb-20 { margin-bottom: 20px; }
.ml-5  { margin-left: 5px; }
.ml-10 { margin-left: 10px; }
.mr-5  { margin-right: 5px; }
.mr-10 { margin-right: 10px; }

.p-0   { padding: 0 !important; }
.p-10  { padding: 10px; }
.p-15  { padding: 15px; }
.p-20  { padding: 20px; }

/* Display / Flex */
.d-none    { display: none; }
.d-block   { display: block; }
.d-flex    { display: flex; }
.d-inline  { display: inline; }
.d-inline-block { display: inline-block; }
.flex-wrap { flex-wrap: wrap; }
.flex-1    { flex: 1; }
.align-center, .align-items-center { align-items: center; }
.justify-between, .justify-content-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-5     { gap: 5px; }
.gap-8     { gap: 8px; }
.gap-10    { gap: 10px; }
.gap-15    { gap: 15px; }
.gap-20    { gap: 20px; }

.hidden  { display: none; }
.visible { display: block; }

.clearfix::after { content: ""; display: table; clear: both; }

.w-100 { width: 100%; }
.cursor-pointer { cursor: pointer; }

/* ==============================================
   GRID SYSTEM
   ============================================== */
.grid {
    display: grid;
    gap: 20px;
}

.grid-2    { grid-template-columns: repeat(2, 1fr); }
.grid-3    { grid-template-columns: repeat(3, 1fr); }
.grid-4    { grid-template-columns: repeat(4, 1fr); }
.grid-5    { grid-template-columns: repeat(5, 1fr); }

.grid-auto {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.grid-auto-lg {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ==============================================
   PRINT
   ============================================== */
@media print {
    .nav, .btn, .footer, .tab-nav { display: none; }
    body { background: #fff; }
    .panel, .card { border: 1px solid #000; box-shadow: none; }
}

/* ==============================================
   RESPONSIVE
   ============================================== */
@media (max-width: 900px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .container, .container-narrow { padding: 12px; }
    .header h1 { font-size: 22px; }

    .nav ul { flex-direction: column; }
    .nav a { border-right: none; border-bottom: 1px solid #e8ecf0; }
    .nav li:last-child a { border-bottom: none; }

    .form-row { grid-template-columns: 1fr; }

    .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }

    .table th, .table td { padding: 8px 8px; font-size: 12px; }
    .btn { padding: 6px 12px; font-size: 13px; }
    .panel-body { padding: 12px; }

    .pipeline { flex-direction: column; }
    .pipeline-step { border-right: none; border-bottom: 1px solid #dde3ea; }
    .pipeline-step:last-child { border-bottom: none; }
}

@media (max-width: 480px) {
    .header { padding: 14px; }
    .header h1 { font-size: 20px; }
    .stat-card .stat-number { font-size: 30px; }
    .tab-nav a, .tab-nav button { padding: 7px 10px; font-size: 12px; }
}

/* ==============================================
   CHAIR PORTAL — TOP NAVIGATION BAR
   ============================================== */
.c-nav {
    background: #1e2d3d;
    border-bottom: 2px solid #0f1923;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,.35);
    print-color-adjust: exact;
}
.c-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: stretch;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.c-nav-inner::-webkit-scrollbar { display: none; }

.c-nav-brand {
    font-weight: 700;
    color: #ecf0f1;
    text-decoration: none;
    padding: 0 18px 0 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    border-right: 1px solid rgba(255,255,255,.12);
    margin-right: 4px;
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: .02em;
}
.c-nav-brand:hover { color: #fff; text-decoration: none; }

.c-nav-link {
    color: #a0aab4;
    text-decoration: none;
    padding: 0 13px;
    font-size: 12.5px;
    white-space: nowrap;
    display: flex;
    align-items: center;
    height: 44px;
    border-bottom: 2px solid transparent;
    transition: color .15s, border-color .15s, background .15s;
    flex-shrink: 0;
    gap: 5px;
}
.c-nav-link:hover  { color: #ecf0f1; background: rgba(255,255,255,.06); text-decoration: none; }
.c-nav-link.active { color: #fff; border-bottom-color: #3498db; background: rgba(52,152,219,.08); }
.c-nav-sep  { border-left: 1px solid rgba(255,255,255,.1); margin: 10px 4px; flex-shrink: 0; }
.c-nav-spacer { flex: 1 1 auto; min-width: 8px; }
.c-nav-logout { color: #e74c3c !important; }
.c-nav-logout:hover { background: rgba(231,76,60,.14) !important; color: #ff6b6b !important; }

@media print { .c-nav { display: none; } }
@media (max-width: 768px) {
    .c-nav-brand { font-size: 13px; padding-right: 12px; }
    .c-nav-link  { padding: 0 9px; font-size: 12px; }
}

/* ==============================================
   REVIEWER SCORE SUMMARY (in decision panel)
   ============================================== */
.score-summary {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 0 0 20px;
}
.score-summary-chip {
    flex: 1;
    min-width: 105px;
    background: #f4f6f9;
    border: 1px solid #dde3ea;
    border-radius: 6px;
    padding: 10px 12px;
    text-align: center;
}
.score-summary-chip .ssv {
    font-size: 24px;
    font-weight: 700;
    color: #2c3e50;
    line-height: 1.1;
}
.score-summary-chip .ssl {
    font-size: 10px;
    color: #7f8c9a;
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-top: 3px;
}
.score-summary-chip.s-good .ssv { color: #27ae60; }
.score-summary-chip.s-ok   .ssv { color: #e67e22; }
.score-summary-chip.s-bad  .ssv { color: #e74c3c; }

.rec-consensus {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 0 0 18px;
}
.rec-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.rec-pill-accept { background: #d4edda; color: #155724; }
.rec-pill-minor  { background: #fff3cd; color: #856404; }
.rec-pill-major  { background: #fde8d8; color: #7d4a00; }
.rec-pill-reject { background: #f8d7da; color: #721c24; }

.suggestion-box {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #f4f6f9;
    border: 1px solid #dde3ea;
    border-left: 4px solid #3498db;
    border-radius: 4px;
    padding: 12px 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.suggestion-box .sug-label {
    font-size: 11px;
    color: #7f8c9a;
    text-transform: uppercase;
    letter-spacing: .5px;
    flex-basis: 100%;
    margin-bottom: 4px;
}
.suggestion-box.sug-accept { border-left-color: #27ae60; }
.suggestion-box.sug-revise { border-left-color: #e67e22; }
.suggestion-box.sug-reject { border-left-color: #e74c3c; }

/* Best Paper Award */
.bpa-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: #fff;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .3px;
}
.bpa-check-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #fffbf0, #fff8e7);
    border: 2px solid #f39c12;
    border-radius: 6px;
    padding: 12px 16px;
    margin: 14px 0;
    cursor: pointer;
}
.bpa-check-wrap input[type=checkbox] { width: 18px; height: 18px; cursor: pointer; }
.bpa-check-wrap label { cursor: pointer; font-weight: 600; color: #7d4a00; font-size: 14px; }

/* Bulk email panel */
.bulk-email-section { border: 1px solid #dde3ea; border-radius: 6px; overflow: hidden; margin-top: 20px; }
.bulk-email-header  { background: #f4f6f9; padding: 10px 16px; font-weight: 600; font-size: 13px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #dde3ea; }
.bulk-email-row     { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid #f0f0f0; flex-wrap: wrap; }
.bulk-email-row:last-child { border-bottom: none; }