@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&family=Instrument+Serif:ital@0;1&family=DM+Mono:wght@400;500&display=swap');

/* Clash Display via Fontshare CDN */
@import url('https://api.fontshare.com/v2/css?f[]=clash-display@400,500,600,700&display=swap');

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

:root {
  --bg:      #e8e8ed;
  --bg2:     #ffffff;
  --bg3:     #f5f5f7;
  --border:  rgba(0,0,0,0.08);
  --border2: rgba(0,0,0,0.13);
  --text:    #111114;
  --text2:   #3a3a3f;
  --text3:   #5e5e66;
  --primary:       #7c3aed;
  --primary-hover: #6d28d9;
  --primary-light: rgba(124,58,237,0.10);
  --purple:  #7c3aed;
  --gold:    #6d28d9;
  --teal:    #10b981;
  --teal-dim: rgba(16,185,129,0.12);
  --coral:   #f06b5a;
  --muted:   #5e5e66;
  --card:    #ffffff;
  --card2:   #f5f5f7;
  --success: #10b981;
  --error:   #d4543f;
  --radius:  14px;
  --shadow:  0 2px 16px rgba(0,0,0,0.07);
  --maxw:    1080px;
  --font:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── DARK MODE OVERRIDES ── */
[data-theme="dark"] {
  --bg:      #09090f;
  --bg2:     #0f0f1a;
  --bg3:     #16162a;
  --border:  rgba(180,160,255,0.08);
  --border2: rgba(180,160,255,0.18);
  --text:    #f0f0ff;
  --text2:   rgba(240,240,255,0.75);
  --text3:   rgba(240,240,255,0.42);
  --muted:   rgba(240,240,255,0.50);
  --primary:       #8b5cf6;
  --primary-hover: #7c3aed;
  --primary-light: rgba(139,92,246,0.15);
  --purple:  #a78bfa;
  --gold:    #c4b5fd;
  --teal:    #3dd6a0;
  --teal-dim: rgba(61,214,160,0.12);
  --coral:   #f06b5a;
  --card:    #0f0f1a;
  --card2:   #16162a;
  --success: #3dd6a0;
  --error:   #f06b5a;
  --shadow:  0 4px 24px rgba(0,0,0,0.5);
}
[data-theme="dark"] nav {
  background: rgba(9,9,15,0.85);
}
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  background: rgba(255,255,255,0.04);
}
[data-theme="dark"] select option { background: #0f0f1a; color: #f0f0ff; }
[data-theme="dark"] .toast-notif  { background: #16162a; }
[data-theme="dark"] .msg-bubble.received { border-color: rgba(180,160,255,0.12); }

/* ── THEME TOGGLE BUTTON ── */
.theme-toggle {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 0.5px solid var(--border2);
  background: var(--bg3);
  color: var(--text2);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  padding: 0;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.25s;
}
.theme-toggle:hover {
  background: var(--bg2);
  border-color: var(--primary);
  color: var(--primary);
  transform: rotate(20deg);
}

/* Smooth theme transition */
html { transition: background-color 0.2s ease; }
body { transition: background-color 0.2s ease; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 450;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { opacity: 0.8; }

/* ── GRADIENT TEXT HELPER ── */
.grad {
  background: linear-gradient(95deg, var(--primary), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ── NAV ── */
nav {
  background: rgba(251,251,253,0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid var(--border);
  padding: 0 32px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo:hover { opacity: 0.85; }
.nav-logo .logo-light { display: inline; height: 36px; width: auto; }
.nav-logo .logo-dark  { display: none;   height: 36px; width: auto; }
[data-theme="dark"] .nav-logo .logo-light { display: none; }
[data-theme="dark"] .nav-logo .logo-dark  { display: inline; }

.nav-left { display: flex; align-items: center; gap: 24px; }
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { font-size: 0.875rem; color: var(--text2); font-weight: 500; }
.nav-links a:hover { color: var(--text); opacity: 1; }
.nav-right { display: flex; align-items: center; gap: 20px; }
.nav-right a { font-size: 0.875rem; color: var(--text2); font-weight: 500; }
.nav-right a:hover { color: var(--text); }
.nav-burger { display: none; }
.nav-menu { display: none; }

/* ── Nav avatar dropdown ── */
.nav-avatar-wrap { position: relative; display: flex; align-items: center; }
.nav-avatar-btn { width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--border); background: var(--primary); cursor: pointer; overflow: hidden; padding: 0; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 0.85rem; flex-shrink: 0; transition: border-color 0.15s; }
.nav-avatar-btn:hover { border-color: var(--primary); }
.nav-avatar-btn img { width: 100%; height: 100%; object-fit: cover; display: block; }
.nav-avatar-dropdown { display: none; flex-direction: column; position: absolute; top: calc(100% + 10px); right: 0; background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,0.12); min-width: 160px; z-index: 300; padding: 6px; }
.nav-avatar-dropdown.is-open { display: flex; }
.nav-avatar-dropdown a { display: block; padding: 9px 14px; border-radius: 8px; font-size: 0.875rem; color: var(--text2); font-weight: 500; text-decoration: none; white-space: nowrap; }
.nav-avatar-dropdown a:hover { background: var(--bg3); color: var(--text); }
.nav-links .btn-primary { color: #fff !important; opacity: 1 !important; }
.nav-links .btn-primary:hover { background: var(--primary-hover) !important; opacity: 1 !important; }

/* ── LAYOUT ── */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.page        { max-width: 1000px; margin: 0 auto; padding: 32px 24px; }
.page-narrow { max-width: 520px;  margin: 0 auto; padding: 48px 24px; }
.page-wide   { max-width: 1200px; margin: 0 auto; padding: 32px 24px; }

/* ── CARD ── */
.card {
  background: var(--bg2);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card + .card { margin-top: 16px; }

/* ── GRID ── */
.grid   { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

/* ── FORMS ── */
.form-group { margin-bottom: 16px; }
label {
  display: block;
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
input, textarea, select {
  width: 100%;
  padding: 11px 14px;
  border: 0.5px solid var(--border2);
  border-radius: 10px;
  font-size: 0.9rem;
  font-family: inherit;
  background: #fff;
  color: var(--text);
  transition: border 0.15s, box-shadow 0.15s;
}
input::placeholder, textarea::placeholder { color: var(--text3); }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.12);
}
textarea { resize: vertical; }
select option { background: #fff; color: var(--text); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border: none;
  border-radius: 980px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s, transform 0.1s, box-shadow 0.15s;
  font-family: inherit;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); opacity: 1; }
.btn-primary { background: var(--primary); color: #fff !important; }
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 6px 20px rgba(124,58,237,0.25); color: #fff !important; }
.btn-secondary { background: var(--bg3); color: var(--text2); border: 0.5px solid var(--border2); }
.btn-secondary:hover { background: #ebebf0; }
.btn-outline { background: transparent; color: var(--text2); border: 0.5px solid var(--border2); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.btn-danger { background: rgba(212,84,63,0.10); color: var(--error); border: 0.5px solid rgba(212,84,63,0.2); }
.btn-danger:hover { background: rgba(212,84,63,0.18); }
.btn-sm { padding: 6px 16px; font-size: 0.8rem; }
.btn:disabled { opacity: 0.35; cursor: not-allowed; transform: none; box-shadow: none; }

/* ── STATUS ── */
.status { font-size: 0.85rem; margin-top: 8px; }
.status-error   { color: var(--error); }
.status-success { color: var(--success); }
.status-info    { color: var(--text3); }

/* ── BADGE ── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 980px;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.badge-indigo { background: rgba(124,58,237,0.10); color: #6d28d9; border: 0.5px solid rgba(124,58,237,0.22); }
.badge-green  { background: rgba(16,185,129,0.10);  color: #0f9d6e; border: 0.5px solid rgba(16,185,129,0.22); }
.badge-yellow { background: rgba(240,164,74,0.12);  color: #b45309; border: 0.5px solid rgba(240,164,74,0.25); }
.badge-red    { background: rgba(212,84,63,0.10);   color: #d4543f; border: 0.5px solid rgba(212,84,63,0.22); }
.badge-gray   { background: rgba(0,0,0,0.05);       color: var(--text3); border: 0.5px solid var(--border); }

/* ── PAGE HEADER ── */
.page-header { margin-bottom: 24px; }
.page-header h1 { font-family: 'Clash Display', 'Inter', sans-serif; font-size: 1.5rem; font-weight: 700; letter-spacing: -0.5px; color: var(--text); }
.page-header p  { color: var(--text2); margin-top: 4px; font-size: 0.9rem; }

/* ── PROJECT CARD ── */
.project-card {
  background: var(--bg2);
  border: 0.5px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: box-shadow 0.25s, border-color 0.25s, transform 0.25s;
}
.project-card:hover { box-shadow: 0 12px 36px rgba(0,0,0,0.12); border-color: rgba(124,58,237,0.25); transform: translateY(-3px); }
.project-card h3 { font-family: 'Inter', sans-serif; font-size: 1rem; font-weight: 700; margin-bottom: 6px; color: var(--text); letter-spacing: -0.3px; }
.project-card p { font-size: 0.84rem; color: var(--text2); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.project-card-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

/* ── AVATAR ── */
.avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #10b981);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.88rem;
  flex-shrink: 0;
}

/* ── DIVIDER ── */
.divider { border: none; border-top: 0.5px solid var(--border); margin: 20px 0; }

/* ── EMPTY STATE ── */
.empty { text-align: center; padding: 48px 20px; color: var(--text3); }
.empty h3 { font-size: 1rem; margin-bottom: 8px; color: var(--text2); }

/* ── NOTIFICATION ITEM ── */
.notif-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 0; border-bottom: 0.5px solid var(--border);
}
.notif-item:last-child { border-bottom: none; }
.notif-item.unread { background: rgba(124,58,237,0.05); margin: 0 -24px; padding: 14px 24px; }
.notif-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); margin-top: 6px; flex-shrink: 0; }

/* ── MESSAGES ── */
.messages-layout { display: grid; grid-template-columns: 280px 1fr; gap: 16px; height: calc(100vh - 120px); }
.convo-list { background: var(--bg2); border: 0.5px solid var(--border); border-radius: var(--radius); overflow-y: auto; }
.convo-item { padding: 14px 16px; border-bottom: 0.5px solid var(--border); cursor: pointer; transition: background 0.1s; }
.convo-item:hover { background: rgba(124,58,237,0.05); }
.convo-item.active { background: rgba(124,58,237,0.08); border-left: 2px solid var(--primary); }
.convo-item h4 { font-size: 0.88rem; font-weight: 600; color: var(--text); }
.convo-item p  { font-size: 0.78rem; color: var(--text3); }
.message-thread { background: var(--bg2); border: 0.5px solid var(--border); border-radius: var(--radius); display: flex; flex-direction: column; overflow: hidden; }
.message-thread-header { padding: 16px 20px; border-bottom: 0.5px solid var(--border); font-weight: 600; color: var(--text); }
.message-list { flex: 1; overflow-y: auto; padding: 16px 20px; display: flex; flex-direction: column; gap: 10px; }
.msg-bubble { max-width: 70%; padding: 10px 14px; border-radius: 18px; font-size: 0.88rem; line-height: 1.5; }
.msg-bubble.sent     { background: var(--primary); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.msg-bubble.received { background: var(--bg3); color: var(--text); align-self: flex-start; border-bottom-left-radius: 4px; border: 0.5px solid var(--border); }
.msg-time { font-size: 0.7rem; opacity: 0.5; margin-top: 4px; }
.msg-row { display: flex; flex-direction: column; }
.msg-row-sent { align-items: flex-end; }
.msg-row-received { align-items: flex-start; }
.msg-bubble-wrap { display: flex; align-items: flex-end; gap: 6px; }
.msg-edit-btn { background: none; border: none; cursor: pointer; color: var(--muted); padding: 4px; border-radius: 6px; opacity: 0; transition: opacity 0.15s; flex-shrink: 0; line-height: 1; }
.msg-row:hover .msg-edit-btn { opacity: 1; }
.msg-edit-input { background: var(--bg2); border: 1px solid var(--primary); border-radius: 18px; color: var(--text); padding: 8px 14px; font-size: 0.88rem; font-family: inherit; outline: none; width: 100%; box-sizing: border-box; }
.msg-edit-actions { display: flex; gap: 6px; margin-top: 6px; }
.msg-compose-area { border-top: 0.5px solid var(--border); }
.msg-media-preview { position: relative; padding: 10px 16px 0; }
.msg-media-preview img { max-height: 160px; border-radius: 10px; display: block; max-width: 100%; }
.msg-preview-remove { position: absolute; top: 14px; right: 6px; background: rgba(0,0,0,0.65); border: none; border-radius: 50%; width: 22px; height: 22px; cursor: pointer; color: #fff; font-size: 1rem; display: flex; align-items: center; justify-content: center; line-height: 1; }
.msg-picker-wrap { padding: 8px 16px 0; display: flex; flex-direction: column; gap: 8px; }
.picker-panel { border: 1px solid var(--border); border-radius: 12px; background: var(--bg3); overflow: hidden; }
.emoji-cats { display: flex; gap: 2px; padding: 8px 10px; border-bottom: 1px solid var(--border); overflow-x: auto; }
.emoji-cat { background: none; border: none; cursor: pointer; font-size: 1.1rem; padding: 4px 7px; border-radius: 6px; opacity: 0.45; transition: opacity 0.15s, background 0.15s; line-height: 1; flex-shrink: 0; }
.emoji-cat.active, .emoji-cat:hover { opacity: 1; background: var(--bg2); }
.emoji-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px; padding: 8px; max-height: 200px; overflow-y: auto; }
.emoji-btn { background: none; border: none; cursor: pointer; font-size: 1.25rem; padding: 5px 3px; border-radius: 6px; line-height: 1; text-align: center; transition: background 0.1s; }
.emoji-btn:hover { background: var(--bg2); }
.emoji-search-wrap { padding: 10px 10px 0; }
.emoji-search-wrap input { width: 100%; box-sizing: border-box; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; color: var(--text); padding: 7px 12px; font-size: 0.88rem; outline: none; font-family: inherit; }
.emoji-search-wrap input:focus { border-color: var(--primary); }
.gif-search-wrap { padding: 10px 10px 8px; border-bottom: 1px solid var(--border); }
.gif-search-wrap input { width: 100%; box-sizing: border-box; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; color: var(--text); padding: 7px 12px; font-size: 0.88rem; outline: none; font-family: inherit; }
.gif-search-wrap input:focus { border-color: var(--primary); }
.gif-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 8px; max-height: 200px; overflow-y: auto; }
.gif-item { cursor: pointer; border-radius: 6px; overflow: hidden; aspect-ratio: 4/3; background: var(--bg2); }
.gif-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: opacity 0.15s; }
.gif-item:hover img { opacity: 0.8; }
.giphy-attr { padding: 5px 10px; text-align: right; font-size: 0.7rem; color: var(--muted); border-top: 1px solid var(--border); letter-spacing: 0.04em; }
.compose-img-btn { background: none; border: none; cursor: pointer; color: var(--muted); padding: 5px 7px; border-radius: 7px; line-height: 1; transition: color 0.15s, background 0.15s; flex-shrink: 0; }
.compose-img-btn:hover { color: var(--primary); background: var(--primary-light, rgba(139,92,246,0.08)); }
.message-input-area { padding: 10px 16px 14px; display: flex; gap: 8px; align-items: center; }
.message-input-area input[type="text"] { flex: 1; min-width: 0; border-radius: 980px; }
.message-input-area .btn { flex-shrink: 0; padding: 11px 22px; }
.typing-indicator { display:none; align-items:center; gap:5px; padding:6px 14px; }
.typing-indicator.visible { display:flex; }
.typing-indicator span { width:7px; height:7px; border-radius:50%; background:var(--muted); animation:typing-bounce 1.2s infinite ease-in-out; }
.typing-indicator span:nth-child(2) { animation-delay:0.2s; }
.typing-indicator span:nth-child(3) { animation-delay:0.4s; }
@keyframes typing-bounce { 0%,60%,100%{transform:translateY(0);opacity:0.4} 30%{transform:translateY(-5px);opacity:1} }

/* ── AUTH PAGE ── */
.auth-logo { text-align: center; font-family: 'Clash Display', 'Inter', sans-serif; font-size: 1.8rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; letter-spacing: -0.02em; }
.auth-sub    { text-align: center; color: var(--text3); font-size: 0.88rem; margin-bottom: 28px; }
.auth-toggle { text-align: center; font-size: 0.85rem; color: var(--text3); margin-top: 16px; }

/* ── TABS ── */
.tabs { display: flex; gap: 4px; border-bottom: 0.5px solid var(--border); margin-bottom: 20px; }
.tab { padding: 8px 16px; border: none; background: none; cursor: pointer; font-size: 0.88rem; color: var(--text3); font-weight: 500; border-bottom: 2px solid transparent; margin-bottom: -1px; font-family: inherit; transition: color 0.15s; }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ── STATS ROW ── */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card { background: var(--bg2); border: 0.5px solid var(--border); border-radius: var(--radius); padding: 20px; text-align: center; transition: box-shadow 0.2s, transform 0.2s; }
.stat-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.08); transform: translateY(-2px); }
.stat-card .num   { font-family: 'Clash Display', 'Inter', sans-serif; font-size: 2rem; font-weight: 700; color: var(--primary); letter-spacing: -1px; }
.stat-card .label { font-size: 0.78rem; color: var(--text3); margin-top: 2px; }

/* ── PROFILE ── */
.profile-header { display: flex; align-items: center; gap: 20px; margin-bottom: 24px; }
.profile-avatar { width: 72px; height: 72px; font-size: 1.6rem; }

/* ── SECTION EYEBROW ── */
.section-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}

/* ── REVEAL ANIMATIONS ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── TOAST NOTIFICATIONS ── */
.toast-notif {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #fff;
  border: 0.5px solid var(--border2);
  border-radius: 16px;
  padding: 18px 22px;
  max-width: 400px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.14);
  font-size: 1rem;
  z-index: 9999;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  transform: translateY(16px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}
.toast-notif.visible { transform: translateY(0); opacity: 1; pointer-events: auto; }
.toast-notif.toast-notif-link { cursor: pointer; }
.toast-notif.toast-notif-link:hover { box-shadow: 0 8px 36px rgba(0,0,0,0.22); transform: translateY(-1px); }
.toast-notif-bell { font-size: 1.25rem; flex-shrink: 0; margin-top: 1px; }
.toast-notif-msg { line-height: 1.5; color: var(--text); flex: 1; }
.toast-notif-arrow { font-size: 1rem; color: var(--primary); font-weight: 700; flex-shrink: 0; align-self: center; }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  /* Nav — single row: logo + theme toggle + hamburger */
  nav { padding: 0 16px; height: 56px; }
  .nav-left { flex: 1; min-width: 0; }
  .nav-links { display: none; }
  .nav-right a { display: none; }
  .nav-avatar-btn { display: none; }
  .nav-avatar-dropdown { display: none !important; }

  /* Hamburger button (injected by theme.js) */
  .nav-burger {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; flex-shrink: 0;
    background: none; border: none; cursor: pointer;
    color: var(--text); padding: 0; border-radius: 8px;
  }

  /* Slide-down dropdown menu */
  .nav-menu {
    display: none;
    position: fixed; top: 56px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    padding: 4px 0 12px;
    flex-direction: column;
    z-index: 200;
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu a {
    display: block;
    padding: 14px 20px;
    font-size: 0.95rem; font-weight: 500; color: var(--text2);
    border-bottom: 0.5px solid var(--border);
    text-decoration: none;
    opacity: 1;
  }
  .nav-menu a:hover { color: var(--text); background: var(--surface); }
  .nav-menu a.btn-primary {
    margin: 10px 20px 2px;
    text-align: center; justify-content: center;
    border-bottom: none;
  }

  /* Layout containers */
  .container { padding: 0 16px; }
  .page        { padding: 20px 16px; }
  .page-narrow { padding: 24px 16px; }
  .page-wide   { padding: 20px 16px; }

  /* Grids → single column */
  .grid-2, .grid-3 { grid-template-columns: 1fr; }

  /* Messages */
  .messages-layout { grid-template-columns: 1fr; height: auto; }
  .msg-bubble { max-width: 88%; }

  /* Page header */
  .page-header h1 { font-size: 1.25rem; }

  /* Profile */
  .profile-header { flex-direction: column; text-align: center; }
  .profile-avatar { margin: 0 auto; }

  /* Stats */
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card .num { font-size: 1.6rem; }

  /* Tabs — scrollable row */
  .tabs { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .tab { white-space: nowrap; }

  /* Toast — full-width at bottom */
  .toast-notif { right: 12px; left: 12px; max-width: none; bottom: 16px; }

  /* Buttons */
  .btn-sm { padding: 6px 14px; font-size: 0.8rem; }
}

@media (max-width: 640px) {
  [style*="grid-template-columns:1fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}