/**
 * Nuskillz Community — design system.
 * Change the variables below to match the brand; everything else derives
 * from them.
 */
:root {
	--nk-primary: #4F46E5;
	--nk-primary-dark: #4338CA;
	--nk-accent: #7C3AED;
	--nk-ink: #111827;
	--nk-ink-soft: #4B5563;
	--nk-stone: #6B7280;
	--nk-line: #E5E7EB;
	--nk-bg: #F5F6FA;
	--nk-card: #FFFFFF;
	--nk-danger: #DC2626;
	--nk-success: #059669;
	--nk-radius: 14px;
	--nk-radius-sm: 9px;
	--nk-shadow: 0 1px 2px rgba(17, 24, 39, 0.04), 0 8px 24px rgba(17, 24, 39, 0.06);
	--nk-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

.nk-app, .nk-auth-wrap, .nk-profile-page { font-family: var(--nk-font); color: var(--nk-ink); box-sizing: border-box; }
.nk-app *, .nk-auth-wrap *, .nk-profile-page * { box-sizing: border-box; }

/* ===================== Buttons / form controls ===================== */
.nk-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid transparent; border-radius: var(--nk-radius-sm); padding: 11px 20px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.15s ease; text-decoration: none; line-height: 1.2; }
.nk-btn-primary { background: var(--nk-primary); color: #fff; }
.nk-btn-primary:hover { background: var(--nk-primary-dark); color: #fff; }
.nk-btn-secondary { background: #fff; color: var(--nk-ink); border-color: var(--nk-line); }
.nk-btn-secondary:hover { background: #F9FAFB; }
.nk-btn-ghost { background: transparent; color: var(--nk-ink-soft); border-color: var(--nk-line); }
.nk-btn-sm { padding: 6px 14px; font-size: 12.5px; }
.nk-btn-block { width: 100%; }
.nk-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.nk-btn.is-loading .nk-btn-label { opacity: 0.6; }

.nk-field { display: block; margin-bottom: 16px; }
.nk-field > span { display: block; font-size: 13px; font-weight: 600; color: var(--nk-ink-soft); margin-bottom: 6px; }
.nk-field input[type="text"], .nk-field input[type="email"], .nk-field input[type="password"],
.nk-field input[type="url"], .nk-field input[type="number"], .nk-field input[type="datetime-local"],
.nk-field textarea, .nk-field select {
	width: 100%; padding: 11px 13px; border: 1px solid var(--nk-line); border-radius: var(--nk-radius-sm);
	font-size: 14px; font-family: inherit; color: var(--nk-ink); background: #fff; transition: border-color 0.15s;
}
.nk-field input:focus, .nk-field textarea:focus, .nk-field select:focus { outline: none; border-color: var(--nk-primary); box-shadow: 0 0 0 3px rgba(79,70,229,0.12); }
.nk-field textarea { resize: vertical; min-height: 70px; }
.nk-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.nk-form-subhead { font-size: 15px; margin: 22px 0 12px; padding-top: 16px; border-top: 1px solid var(--nk-line); }

.nk-checkbox { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--nk-ink-soft); cursor: pointer; }
.nk-checkbox-row { display: flex; margin: 6px 0 18px; }

/* ===================== Auth pages ===================== */
.nk-auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 100%); padding: 40px 20px; }
.nk-auth-card { width: 100%; max-width: 420px; background: var(--nk-card); border-radius: 20px; box-shadow: var(--nk-shadow); padding: 40px 36px; }
.nk-auth-card-sm { text-align: center; }
.nk-auth-brand { font-weight: 800; font-size: 15px; letter-spacing: 0.03em; color: var(--nk-primary); margin-bottom: 22px; }
.nk-auth-title { font-size: 24px; font-weight: 700; margin: 0 0 6px; }
.nk-auth-sub { color: var(--nk-stone); font-size: 14px; margin: 0 0 26px; }
.nk-auth-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; font-size: 13px; }
.nk-auth-row a { color: var(--nk-primary); text-decoration: none; }
.nk-auth-foot { text-align: center; margin: 22px 0 0; font-size: 13.5px; color: var(--nk-stone); }
.nk-auth-foot a { color: var(--nk-primary); font-weight: 600; text-decoration: none; }
.nk-auth-notice { display: none; padding: 11px 14px; border-radius: var(--nk-radius-sm); font-size: 13.5px; margin-bottom: 16px; }
.nk-auth-notice.nk-error, .nk-auth-notice:not(.nk-success):not(:empty) { display: block; background: #FEF2F2; color: var(--nk-danger); }
.nk-auth-notice.nk-success { display: block; background: #ECFDF5; color: var(--nk-success); }
.nk-logout-link { color: inherit; text-decoration: none; }

/* ===================== Dashboard shell ===================== */
.nk-app { display: flex; min-height: 100vh; background: var(--nk-bg); margin: -1px 0 0; }
.nk-sidebar { width: 260px; flex-shrink: 0; background: #fff; border-right: 1px solid var(--nk-line); padding: 22px 16px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.nk-sidebar-brand { font-weight: 800; font-size: 17px; color: var(--nk-ink); display: flex; align-items: center; gap: 8px; padding: 0 8px 20px; }
.nk-logo-dot { width: 10px; height: 10px; border-radius: 50%; background: linear-gradient(135deg, var(--nk-primary), var(--nk-accent)); display: inline-block; }
.nk-sidebar-user { display: flex; align-items: center; gap: 10px; padding: 10px 8px 20px; margin-bottom: 10px; border-bottom: 1px solid var(--nk-line); }
.nk-sidebar-user-name { font-weight: 700; font-size: 13.5px; }
.nk-sidebar-user-tier { font-size: 11.5px; color: var(--nk-stone); }
.nk-nav-group { margin-bottom: 18px; }
.nk-nav-group-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--nk-stone); padding: 0 8px 8px; }
.nk-nav-link { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: var(--nk-radius-sm); color: var(--nk-ink-soft); text-decoration: none; font-size: 13.5px; font-weight: 500; position: relative; }
.nk-nav-link:hover { background: #F3F4F6; }
.nk-nav-link.is-active { background: #EEF2FF; color: var(--nk-primary); font-weight: 700; }
.nk-nav-icon { font-size: 15px; width: 18px; text-align: center; }
.nk-nav-badge { margin-left: auto; background: var(--nk-danger); color: #fff; font-size: 10px; font-weight: 700; border-radius: 10px; padding: 1px 6px; }
.nk-sidebar-foot { padding: 14px 10px 4px; border-top: 1px solid var(--nk-line); margin-top: 8px; font-size: 13px; }

.nk-sidebar-toggle { display: none; position: fixed; top: 14px; left: 14px; z-index: 60; width: 40px; height: 40px; border-radius: 10px; background: #fff; border: 1px solid var(--nk-line); box-shadow: var(--nk-shadow); flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.nk-sidebar-toggle span { width: 18px; height: 2px; background: var(--nk-ink); border-radius: 2px; }

.nk-main { flex: 1; min-width: 0; }
.nk-topbar { display: flex; align-items: center; justify-content: space-between; padding: 16px 28px; background: #fff; border-bottom: 1px solid var(--nk-line); position: sticky; top: 0; z-index: 20; }
.nk-topbar-title { font-weight: 700; }
.nk-topbar-actions { display: flex; align-items: center; gap: 14px; }
.nk-icon-btn { position: relative; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--nk-line); background: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 16px; cursor: pointer; }
.nk-topbar-avatar img { display: block; }
.nk-badge-dot { position: absolute; top: 6px; right: 7px; width: 8px; height: 8px; border-radius: 50%; background: var(--nk-danger); border: 2px solid #fff; }

.nk-notif-bell { position: relative; }
.nk-notif-dropdown { position: absolute; right: 0; top: 46px; width: 340px; max-height: 420px; overflow-y: auto; background: #fff; border: 1px solid var(--nk-line); border-radius: var(--nk-radius); box-shadow: var(--nk-shadow); z-index: 40; }
.nk-notif-dropdown-head { padding: 14px 16px; border-bottom: 1px solid var(--nk-line); font-size: 13.5px; }
.nk-notif-list { padding: 6px; }
.nk-notif-item { display: flex; gap: 10px; align-items: flex-start; padding: 10px; border-radius: var(--nk-radius-sm); text-decoration: none; color: inherit; }
.nk-notif-item:hover { background: #F9FAFB; }
.nk-notif-unread { background: #F5F3FF; }
.nk-notif-icon { font-size: 16px; }
.nk-notif-body { display: flex; flex-direction: column; gap: 2px; }
.nk-notif-message { font-size: 13px; line-height: 1.4; }
.nk-notif-time { font-size: 11px; color: var(--nk-stone); }
.nk-empty-mini { padding: 20px; text-align: center; color: var(--nk-stone); font-size: 13px; }
.nk-notif-list-full .nk-notif-item { padding: 14px 10px; border-bottom: 1px solid var(--nk-line); border-radius: 0; }

.nk-content { padding: 28px 32px 60px; max-width: 920px; }

/* ===================== Shared view chrome ===================== */
.nk-view-header { margin-bottom: 20px; }
.nk-view-header h1 { font-size: 22px; margin: 0 0 4px; }
.nk-view-header p { color: var(--nk-stone); font-size: 14px; margin: 0; }
.nk-view-header-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }

.nk-card { background: var(--nk-card); border: 1px solid var(--nk-line); border-radius: var(--nk-radius); padding: 22px; margin-bottom: 20px; }
.nk-card-narrow { max-width: 560px; }
.nk-card h3 { margin: 0 0 14px; font-size: 15px; }
.nk-panel { animation: nkFadeIn 0.2s ease; }
@keyframes nkFadeIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

.nk-empty { text-align: center; padding: 50px 20px; color: var(--nk-stone); }
.nk-empty-icon { font-size: 34px; margin-bottom: 10px; }

.nk-toolbar { margin-bottom: 18px; }
.nk-search-form { display: flex; gap: 8px; flex-wrap: wrap; }
.nk-search-form input[type="search"] { flex: 1; min-width: 180px; padding: 10px 13px; border: 1px solid var(--nk-line); border-radius: var(--nk-radius-sm); font-size: 13.5px; }
.nk-search-form select { padding: 10px 13px; border: 1px solid var(--nk-line); border-radius: var(--nk-radius-sm); font-size: 13.5px; background: #fff; }

.nk-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--nk-line); margin-bottom: 20px; }
.nk-tab { padding: 10px 16px; font-size: 13.5px; font-weight: 600; color: var(--nk-stone); text-decoration: none; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.nk-tab.is-active { color: var(--nk-primary); border-color: var(--nk-primary); }

.nk-tag { display: inline-block; background: #EEF2FF; color: var(--nk-primary); font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 20px; }
.nk-tag-accent { background: rgba(255,255,255,0.9); color: var(--nk-primary); position: absolute; top: 10px; left: 10px; }
.nk-badge-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.nk-badge-chip { background: #FEF3C7; color: #92400E; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 20px; }

.nk-back-link { display: inline-block; margin-bottom: 14px; font-size: 13.5px; color: var(--nk-stone); text-decoration: none; }

/* ===================== Placeholder pane ===================== */
.nk-placeholder { text-align: center; padding: 70px 20px; background: #fff; border: 1px dashed var(--nk-line); border-radius: var(--nk-radius); }
.nk-placeholder-icon { font-size: 38px; margin-bottom: 12px; }
.nk-placeholder h2 { margin: 0 0 8px; font-size: 17px; }
.nk-placeholder p { color: var(--nk-stone); font-size: 13.5px; max-width: 420px; margin: 0 auto; }

/* ===================== Avatars / uploads ===================== */
.nk-avatar { border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.nk-upload-row { display: flex; gap: 20px; margin-bottom: 20px; flex-wrap: wrap; }
.nk-upload-field label { display: block; font-size: 13px; font-weight: 600; color: var(--nk-ink-soft); margin-bottom: 8px; }
.nk-upload-preview { width: 72px; height: 72px; border-radius: 50%; overflow: hidden; margin-bottom: 8px; background: #F3F4F6; }
.nk-upload-preview-wide { width: 220px; height: 90px; border-radius: var(--nk-radius-sm); background-size: cover; background-position: center; }
.nk-upload-field input[type="file"] { font-size: 12px; }

/* ===================== Feed ===================== */
.nk-composer textarea { width: 100%; border: none; resize: none; font-size: 14.5px; font-family: inherit; padding: 4px; }
.nk-composer textarea:focus { outline: none; }
.nk-composer-row { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; padding-top: 10px; border-top: 1px solid var(--nk-line); }
.nk-composer-tools { display: flex; gap: 6px; }
.nk-file-btn { cursor: pointer; }
.nk-composer-video-row { margin-top: 10px; }
.nk-composer-video-row input { width: 100%; padding: 9px 12px; border: 1px solid var(--nk-line); border-radius: var(--nk-radius-sm); font-size: 13px; }
.nk-composer-hint { font-size: 11.5px; color: var(--nk-stone); margin: 8px 0 0; }
.nk-composer-file-chip { display: inline-flex; align-items: center; gap: 6px; background: #F3F4F6; border-radius: 8px; padding: 8px 12px; font-size: 13px; }
.nk-post-file { display: flex; align-items: center; gap: 10px; padding: 12px 14px; margin-bottom: 12px; background: #F8FAFC; border: 1px solid var(--nk-line); border-radius: var(--nk-radius-sm); text-decoration: none; color: inherit; }
.nk-post-file:hover { border-color: var(--nk-primary); background: #EEF2FF; }
.nk-post-file-icon { font-size: 22px; }
.nk-post-file-name { flex: 1; font-size: 13.5px; font-weight: 600; word-break: break-all; }
.nk-post-file-action { font-size: 12px; font-weight: 700; color: var(--nk-primary); }

.nk-post { background: var(--nk-card); border: 1px solid var(--nk-line); border-radius: var(--nk-radius); padding: 18px 20px; margin-bottom: 16px; }
.nk-post-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.nk-post-headline { display: flex; flex-direction: column; }
.nk-post-author { font-weight: 700; font-size: 13.5px; color: var(--nk-ink); text-decoration: none; }
.nk-post-time { font-size: 11.5px; color: var(--nk-stone); }
.nk-post-delete { margin-left: auto; background: none; border: none; color: var(--nk-stone); cursor: pointer; font-size: 14px; padding: 4px 8px; }
.nk-post-delete:hover { color: var(--nk-danger); }
.nk-post-content { font-size: 14.5px; line-height: 1.6; margin-bottom: 12px; white-space: pre-wrap; }
.nk-post-content a { color: var(--nk-primary); }
.nk-post-media { margin-bottom: 12px; border-radius: var(--nk-radius-sm); overflow: hidden; }
.nk-post-media img { width: 100%; display: block; }
.nk-post-media-video iframe, .nk-post-media-video embed { width: 100%; aspect-ratio: 16/9; height: auto; }
.nk-post-actions { display: flex; gap: 18px; padding-top: 10px; border-top: 1px solid var(--nk-line); }
.nk-post-action { background: none; border: none; cursor: pointer; font-size: 13px; color: var(--nk-ink-soft); display: flex; align-items: center; gap: 6px; padding: 4px; }
.nk-post-action.is-active { color: var(--nk-danger); font-weight: 600; }
.nk-post-comments { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--nk-line); display: flex; flex-direction: column; gap: 10px; }
.nk-comment { display: flex; gap: 8px; }
.nk-comment-body { background: #F3F4F6; border-radius: var(--nk-radius-sm); padding: 8px 12px; font-size: 13px; flex: 1; }
.nk-comment-author { font-weight: 700; margin-right: 6px; }
.nk-comment-time { font-size: 10.5px; color: var(--nk-stone); margin-top: 2px; }
.nk-comment-form { display: flex; align-items: center; gap: 8px; }
.nk-comment-form input { flex: 1; border: 1px solid var(--nk-line); border-radius: 20px; padding: 8px 14px; font-size: 13px; }
.nk-comment-form input:focus { outline: none; border-color: var(--nk-primary); }
.nk-view-all-comments { background: none; border: none; color: var(--nk-stone); font-size: 12.5px; cursor: pointer; text-align: left; padding: 0; }
.nk-load-more-wrap { text-align: center; margin: 10px 0 20px; }

/* ===================== Cards grid (groups / events / members) ===================== */
.nk-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 18px; }
.nk-group-card, .nk-event-card { background: var(--nk-card); border: 1px solid var(--nk-line); border-radius: var(--nk-radius); overflow: hidden; display: flex; flex-direction: column; }
.nk-group-card-cover, .nk-event-card-cover { height: 110px; background-size: cover; background-position: center; display: block; position: relative; }
.nk-group-card-body, .nk-event-card-body { padding: 14px 16px; display: flex; flex-direction: column; gap: 4px; }
.nk-group-card-name, .nk-event-card-title { font-weight: 700; font-size: 14.5px; color: var(--nk-ink); text-decoration: none; }
.nk-group-card-city, .nk-event-card-meta { font-size: 12px; color: var(--nk-stone); }
.nk-group-card-desc { font-size: 12.5px; color: var(--nk-ink-soft); margin: 4px 0; }
.nk-group-card-foot, .nk-event-card-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; }
.nk-group-card-count { font-size: 12px; color: var(--nk-stone); }

.nk-event-date-chip { position: absolute; top: 10px; left: 10px; background: #fff; border-radius: 8px; padding: 6px 10px; text-align: center; line-height: 1.1; box-shadow: var(--nk-shadow); }
.nk-event-date-day { display: block; font-weight: 800; font-size: 16px; color: var(--nk-ink); }
.nk-event-date-month { display: block; font-size: 10px; text-transform: uppercase; color: var(--nk-stone); }

.nk-member-card { background: var(--nk-card); border: 1px solid var(--nk-line); border-radius: var(--nk-radius); padding: 22px 16px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.nk-member-card-name { font-weight: 700; font-size: 14px; color: var(--nk-ink); text-decoration: none; margin-top: 6px; }
.nk-member-card-headline { font-size: 12px; color: var(--nk-ink-soft); margin: 2px 0; }
.nk-member-card-city { font-size: 11.5px; color: var(--nk-stone); }
.nk-member-card .nk-btn { margin-top: 8px; }

.nk-member-mini-list { display: flex; flex-wrap: wrap; gap: 8px; }

/* ===================== Group / event detail ===================== */
.nk-group-detail-cover { height: 180px; border-radius: var(--nk-radius); background-size: cover; background-position: center; margin-bottom: 18px; }
.nk-group-detail-head, .nk-event-detail-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.nk-profile-meta { display: flex; gap: 12px; align-items: center; font-size: 13px; color: var(--nk-stone); margin: 6px 0; flex-wrap: wrap; }
.nk-profile-headline { font-size: 14px; color: var(--nk-ink-soft); max-width: 560px; }
.nk-two-col { display: grid; grid-template-columns: 1fr 260px; gap: 22px; align-items: start; }
.nk-rsvp-row { display: flex; gap: 8px; margin: 14px 0; flex-wrap: wrap; }
.nk-join-btn { margin-top: 12px; }
.nk-event-location { font-size: 13.5px; margin-top: 10px; }

/* ===================== Public profile ===================== */
.nk-profile-page { max-width: 820px; margin: 0 auto; padding: 30px 20px 60px; }
.nk-profile-cover { height: 200px; border-radius: var(--nk-radius); background-size: cover; background-position: center; margin-bottom: -50px; }
.nk-profile-header { display: flex; align-items: flex-end; gap: 16px; padding: 0 8px; margin-bottom: 20px; flex-wrap: wrap; }
.nk-profile-header .nk-avatar { border: 4px solid #fff; }
.nk-profile-header-info { flex: 1; padding-bottom: 6px; }
.nk-profile-header-info h1 { margin: 0 0 4px; font-size: 22px; }
.nk-profile-city { font-size: 13px; }
.nk-stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.nk-stat { background: var(--nk-card); border: 1px solid var(--nk-line); border-radius: var(--nk-radius-sm); text-align: center; padding: 14px 6px; }
.nk-stat-value { font-weight: 800; font-size: 19px; }
.nk-stat-label { font-size: 11.5px; color: var(--nk-stone); }

/* ===================== Responsive ===================== */
@media (max-width: 960px) {
	.nk-two-col { grid-template-columns: 1fr; }
}
@media (max-width: 880px) {
	.nk-sidebar-toggle { display: inline-flex; }
	.nk-sidebar { position: fixed; left: 0; top: 0; z-index: 50; transform: translateX(-100%); transition: transform 0.25s ease; box-shadow: var(--nk-shadow); }
	.nk-sidebar.is-open { transform: translateX(0); }
	.nk-topbar { padding-left: 64px; }
	.nk-content { padding: 22px 16px 60px; }
	.nk-form-row { grid-template-columns: 1fr; }
	.nk-stat-row { grid-template-columns: repeat(2, 1fr); }
}