:root, [data-theme="dark"] {
  --bg: #0d1117;
  --bg2: #161b27;
  --bg3: #1a2035;
  --border: #1e2433;
  --border2: #2d3748;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --text3: #64748b;
  --text4: #4a5568;
  --blue: #3b82f6;
  --blue2: #2563eb;
  --indigo: #6366f1;
  --green: #34d399;
  --yellow: #fbbf24;
  --orange: #fb923c;
  --red: #ef4444;
  --tenant: #3b82f6;
  --permit: #8b5cf6;
  --shadow: rgba(0,0,0,0.3);
}

[data-theme="light"] {
  --bg: #f8fafc;
  --bg2: #ffffff;
  --bg3: #f1f5f9;
  --border: #e2e8f0;
  --border2: #cbd5e1;
  --text: #1e293b;
  --text2: #475569;
  --text3: #64748b;
  --text4: #94a3b8;
  --blue: #2563eb;
  --blue2: #1d4ed8;
  --indigo: #4f46e5;
  --green: #059669;
  --yellow: #d97706;
  --orange: #ea580c;
  --red: #dc2626;
  --tenant: #2563eb;
  --permit: #7c3aed;
  --shadow: rgba(0,0,0,0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

/* Header */
.hl-header { padding: 16px 32px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); }
.hl-logo { display: flex; align-items: baseline; gap: 10px; text-decoration: none; }
.hl-logo-icon { width: 32px; height: 32px; background: linear-gradient(135deg, var(--blue), var(--indigo)); border-radius: 7px; display: flex; align-items: center; justify-content: center; align-self: center; }
.hl-logo-name { font-size: 1.1rem; font-weight: 700; color: var(--text); position: relative; top: 2px; }
.hl-logo-tag { font-size: 0.76rem; color: var(--text3); position: relative; top: 1px; }
.hl-logo-tag::before { content: "|"; color: var(--text4); margin-right: 10px; font-weight: 300; }
.hl-nav { display: flex; gap: 8px; align-items: center; }
.hl-nav-link { font-size: 0.82rem; color: var(--text3); text-decoration: none; padding: 6px 12px; border-radius: 6px; border: 1px solid var(--border2); transition: all 0.2s; }
.hl-nav-link:hover { color: var(--text); border-color: var(--text3); }

/* Buttons */
.btn { display: inline-block; padding: 11px 24px; border-radius: 8px; font-size: 0.9rem; font-weight: 600; cursor: pointer; border: none; text-decoration: none; transition: all 0.2s; text-align: center; }
.btn-blue { background: var(--blue); color: white; }
.btn-blue:hover { background: var(--blue2); }
.btn-purple { background: var(--permit); color: white; }
.btn-purple:hover { background: #7c3aed; }
.btn-ghost { background: transparent; color: var(--text2); border: 1px solid var(--border2); }
.btn-ghost:hover { color: var(--text); border-color: var(--text3); }
.btn-full { width: 100%; }
.btn:disabled { background: var(--border2) !important; color: var(--text4) !important; cursor: not-allowed; }

/* Cards */
.card { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 22px; }

/* Fields */
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text2); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border2); border-radius: 7px;
  padding: 10px 13px; color: var(--text); font-size: 0.9rem; outline: none; transition: border-color 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); }
.field textarea { resize: vertical; min-height: 80px; }
.field-note { font-size: 0.76rem; color: var(--text3); margin-top: 5px; }

/* Option cards */
.opt-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; }
.opt-card { border: 1.5px solid var(--border2); border-radius: 10px; padding: 14px 16px; cursor: pointer; transition: all 0.2s; }
.opt-card:hover { border-color: var(--blue); background: rgba(59,130,246,0.04); }
.opt-card.selected { border-color: var(--blue); background: rgba(59,130,246,0.1); }
.opt-card.selected-purple { border-color: var(--permit); background: rgba(139,92,246,0.1); }
.opt-card-icon { font-size: 1.3rem; margin-bottom: 6px; }
.opt-card-title { font-size: 0.88rem; font-weight: 600; color: var(--text); margin-bottom: 3px; }
.opt-card-sub { font-size: 0.76rem; color: var(--text3); line-height: 1.4; }

/* YN Toggle */
.yn-group { display: flex; gap: 10px; }
.yn-btn { flex: 1; padding: 10px; border: 1.5px solid var(--border2); border-radius: 7px; background: transparent; color: var(--text2); font-size: 0.88rem; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.yn-btn.yes { border-color: var(--blue); background: rgba(59,130,246,0.12); color: var(--blue); }
.yn-btn.no  { border-color: var(--text3); background: rgba(100,116,139,0.08); color: var(--text2); }

/* Tabs */
.tabs { position: relative; display: flex; gap: 4px; margin-bottom: 28px; overflow-x: auto; padding: 5px; background: var(--bg2); border: 1px solid var(--border); border-radius: 14px; backdrop-filter: blur(8px); box-shadow: 0 2px 12px rgba(0,0,0,0.15), inset 0 1px 0 rgba(255,255,255,0.03); }
.tab { position: relative; padding: 11px 20px; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.01em; cursor: pointer; color: var(--text4); border-radius: 10px; white-space: nowrap; transition: color 0.3s ease, transform 0.2s ease, background 0.3s ease, box-shadow 0.3s ease; border: 1px solid transparent; z-index: 1; -webkit-user-select: none; user-select: none; }
.tab:hover:not(.active):not(.active-purple):not(.active-green) { color: var(--text); background: rgba(255,255,255,0.04); transform: translateY(-1px); }
.tab:active { transform: scale(0.97); }
.tab.active { color: white; background: linear-gradient(135deg, var(--blue), var(--indigo)); border-color: rgba(99,102,241,0.3); box-shadow: 0 2px 10px rgba(59,130,246,0.3), 0 0 20px rgba(59,130,246,0.1); animation: tabIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1); }
.tab.active-purple { color: white; background: linear-gradient(135deg, var(--permit), #7c3aed); border-color: rgba(139,92,246,0.3); box-shadow: 0 2px 10px rgba(139,92,246,0.3), 0 0 20px rgba(139,92,246,0.1); animation: tabIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1); }
.tab.active-green { color: white; background: linear-gradient(135deg, #10b981, #0d9488); border-color: rgba(16,185,129,0.3); box-shadow: 0 2px 10px rgba(16,185,129,0.3), 0 0 20px rgba(16,185,129,0.1); animation: tabIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1); }
@keyframes tabIn { 0% { transform: scale(0.92); opacity: 0.6; } 50% { transform: scale(1.03); } 100% { transform: scale(1); opacity: 1; } }
.panel { display: none; }
.panel.active { display: block; animation: panelFade 0.3s ease; }
@keyframes panelFade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* Waiver Modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.85); z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal { background: var(--bg2); border: 1px solid var(--border2); border-radius: 14px; max-width: 580px; width: 100%; padding: 30px; }
.modal-icon { width: 42px; height: 42px; background: rgba(251,191,36,0.12); border: 1px solid rgba(251,191,36,0.3); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.modal-title { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 5px; }
.modal-sub { font-size: 0.83rem; color: var(--text3); margin-bottom: 18px; }
.waiver-scroll { background: var(--bg); border: 1px solid var(--border2); border-radius: 8px; padding: 16px 18px; max-height: 240px; overflow-y: auto; margin-bottom: 16px; }
.waiver-scroll h3 { font-size: 0.73rem; font-weight: 700; color: var(--text2); text-transform: uppercase; letter-spacing: 0.07em; margin: 12px 0 6px; }
.waiver-scroll h3:first-child { margin-top: 0; }
.waiver-scroll p, .waiver-scroll li { font-size: 0.81rem; color: var(--text2); line-height: 1.65; }
.waiver-scroll ul { padding-left: 16px; }
.waiver-check { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 18px; cursor: pointer; }
.waiver-check input { width: 16px; height: 16px; margin-top: 3px; accent-color: var(--blue); flex-shrink: 0; }
.waiver-check label { font-size: 0.83rem; color: var(--text); line-height: 1.5; cursor: pointer; }
.modal-btns { display: flex; gap: 10px; }
.modal-btns .btn { flex: 1; }

/* Progress bar */
.progress { display: flex; align-items: center; margin-bottom: 36px; }
.prog-dot { width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--border2); display: flex; align-items: center; justify-content: center; font-size: 0.72rem; font-weight: 700; color: var(--text4); transition: all 0.3s; flex-shrink: 0; }
.prog-dot.active { border-color: var(--blue); background: var(--blue); color: white; }
.prog-dot.done { border-color: var(--blue); background: rgba(59,130,246,0.15); color: var(--blue); }
.prog-label { font-size: 0.73rem; color: var(--text4); margin-left: 6px; }
.prog-label.active { color: var(--blue); }
.prog-line { flex: 1; height: 1px; background: var(--border); margin: 0 10px; min-width: 16px; }
.prog-line.done { background: var(--blue); }
.prog-step { display: flex; align-items: center; }

/* Section heading */
.sec-label { font-size: 0.73rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--blue); margin-bottom: 7px; }
.sec-label.purple { color: var(--permit); }
.sec-title { font-size: 1.45rem; font-weight: 700; color: var(--text); margin-bottom: 7px; line-height: 1.3; }
.sec-sub { font-size: 0.88rem; color: var(--text3); line-height: 1.65; margin-bottom: 28px; }

/* Nav buttons */
.nav-btns { display: flex; gap: 12px; margin-top: 32px; }
.btn-back { padding: 11px 20px; background: transparent; border: 1px solid var(--border2); border-radius: 7px; color: var(--text3); font-size: 0.88rem; cursor: pointer; }
.btn-back:hover { color: var(--text2); }
.btn-next { flex: 1; padding: 12px; background: var(--blue); border: none; border-radius: 7px; color: white; font-size: 0.9rem; font-weight: 700; cursor: pointer; }
.btn-next:hover { background: var(--blue2); }
.btn-next:disabled { background: var(--border2); color: var(--text4); cursor: not-allowed; }
.btn-submit { flex: 1; padding: 12px; background: linear-gradient(135deg, var(--blue), var(--indigo)); border: none; border-radius: 7px; color: white; font-size: 0.9rem; font-weight: 700; cursor: pointer; }

/* Utility */
.container { max-width: 700px; margin: 0 auto; padding: 36px 24px 80px; }
.container-wide { max-width: 960px; margin: 0 auto; padding: 32px 24px 80px; }
.hidden { display: none !important; }
.form-section { display: none; }
.form-section.active { display: block; animation: fadeUp 0.25s ease; }
@keyframes fadeUp { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }

/* Theme toggle */
.theme-toggle { background: none; border: 1px solid var(--border2); border-radius: 6px; cursor: pointer; padding: 5px 8px; display: flex; align-items: center; justify-content: center; transition: all 0.2s; color: var(--text3); }
.theme-toggle:hover { border-color: var(--text3); color: var(--text); }
.theme-toggle svg { width: 16px; height: 16px; }

/* Light mode overrides for rgba backgrounds */
[data-theme="light"] .modal-backdrop { background: rgba(0,0,0,0.5); }
[data-theme="light"] .tool-card-tenant { background: rgba(37,99,235,0.04); border-color: rgba(37,99,235,0.2); }
[data-theme="light"] .tool-card-tenant:hover { background: rgba(37,99,235,0.08); border-color: var(--blue); }
[data-theme="light"] .tool-card-landlord { background: rgba(5,150,105,0.04); border-color: rgba(5,150,105,0.2); }
[data-theme="light"] .tool-card-landlord:hover { background: rgba(5,150,105,0.08); border-color: var(--green); }
[data-theme="light"] .tool-card-family { background: rgba(217,119,6,0.04); border-color: rgba(217,119,6,0.2); }
[data-theme="light"] .tool-card-family:hover { background: rgba(217,119,6,0.08); border-color: var(--yellow); }
[data-theme="light"] .tool-card-permit { background: rgba(124,58,237,0.04); border-color: rgba(124,58,237,0.2); }
[data-theme="light"] .tool-card-permit:hover { background: rgba(124,58,237,0.08); border-color: var(--permit); }
[data-theme="light"] .opt-card:hover { background: rgba(37,99,235,0.05); }
[data-theme="light"] .opt-card.selected { background: rgba(37,99,235,0.08); }
[data-theme="light"] .yn-btn.yes { background: rgba(37,99,235,0.08); }
[data-theme="light"] .tag-tenant { background: rgba(37,99,235,0.08); color: #1d4ed8; }
[data-theme="light"] .tag-landlord { background: rgba(5,150,105,0.08); color: #047857; }
[data-theme="light"] .tag-family { background: rgba(217,119,6,0.08); color: #b45309; }
[data-theme="light"] .tag-permit { background: rgba(124,58,237,0.08); color: #6d28d9; }
[data-theme="light"] .tool-icon-tenant { background: rgba(37,99,235,0.1); }
[data-theme="light"] .tool-icon-landlord { background: rgba(5,150,105,0.1); }
[data-theme="light"] .tool-icon-family { background: rgba(217,119,6,0.1); }
[data-theme="light"] .tool-icon-permit { background: rgba(124,58,237,0.1); }
[data-theme="light"] .emergency { background: rgba(220,38,38,0.05); border-color: rgba(220,38,38,0.2); }
[data-theme="light"] .waiver-scroll { background: var(--bg3); }
[data-theme="light"] .modal-icon { background: rgba(217,119,6,0.08); border-color: rgba(217,119,6,0.2); }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }