/* ══════════════════════════════════════════════════════════════
   OBED TECH — Premium Design System
   Aesthetic: Liquid Glass · Dark Fintech · Refined Kenyan Green
   ══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,300;12..96,400;12..96,500;12..96,600;12..96,700;12..96,800&family=DM+Mono:wght@400;500&family=Instrument+Sans:ital,wght@0,400;0,500;0,600;1,400&display=swap');

/* ── TOKENS ──────────────────────────────────────────────────── */
:root {
  --green:          #15C55A;
  --green-bright:   #1EDD66;
  --green-dim:      #0E9B44;
  --green-deep:     #0A7533;
  --green-glow:     rgba(21,197,90,0.12);
  --green-glow-md:  rgba(21,197,90,0.22);
  --green-border:   rgba(21,197,90,0.18);
  --green-border2:  rgba(21,197,90,0.32);
  --red:            #F76C6C;
  --red-glow:       rgba(247,108,108,0.12);
  --red-border:     rgba(247,108,108,0.2);
  --bg:             #080C09;
  --bg2:            #0E1410;
  --bg3:            #141C16;
  --bg4:            #1A241C;
  --surface:        rgba(255,255,255,0.032);
  --surface2:       rgba(255,255,255,0.055);
  --surface3:       rgba(255,255,255,0.08);
  --border:         rgba(255,255,255,0.07);
  --border2:        rgba(255,255,255,0.12);
  --border3:        rgba(255,255,255,0.18);
  --text:           #ECF2EA;
  --text2:          #8FA88A;
  --text3:          #4F6350;
  --text4:          #2E3D2F;
  --nav-bg:         rgba(8,12,9,0.82);
  --card-shadow:    0 0 0 1px rgba(255,255,255,0.06), 0 24px 60px rgba(0,0,0,0.55), 0 4px 12px rgba(0,0,0,0.4);
  --input-bg:       rgba(0,0,0,0.3);
  --input-bg-focus: rgba(21,197,90,0.04);
  --radius:         12px;
  --radius-lg:      18px;
  --radius-xl:      24px;
  --ease-out:       cubic-bezier(0.16,1,0.3,1);
  --ease-spring:    cubic-bezier(0.34,1.56,0.64,1);
}

[data-theme="light"] {
  --bg:             #F2F6F1;
  --bg2:            #FFFFFF;
  --bg3:            #E8EFE7;
  --bg4:            #DDE7DB;
  --surface:        rgba(0,0,0,0.025);
  --surface2:       rgba(0,0,0,0.05);
  --surface3:       rgba(0,0,0,0.07);
  --border:         rgba(0,0,0,0.07);
  --border2:        rgba(0,0,0,0.12);
  --border3:        rgba(0,0,0,0.18);
  --text:           #111C12;
  --text2:          #3D5240;
  --text3:          #7A9080;
  --text4:          #B0C5B2;
  --nav-bg:         rgba(242,246,241,0.88);
  --card-shadow:    0 0 0 1px rgba(0,0,0,0.06), 0 8px 32px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.05);
  --input-bg:       rgba(255,255,255,0.85);
  --input-bg-focus: rgba(21,197,90,0.03);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Instrument Sans', sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
  transition: background 0.35s, color 0.35s;
  line-height: 1.6;
}

body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 50% at 15% 20%, rgba(21,197,90,0.045) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 85% 75%, rgba(21,197,90,0.03) 0%, transparent 55%),
    radial-gradient(ellipse 40% 60% at 50% 0%, rgba(21,197,90,0.025) 0%, transparent 50%);
}

[data-theme="light"] body::before {
  background:
    radial-gradient(ellipse 70% 50% at 15% 20%, rgba(21,197,90,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 85% 75%, rgba(21,197,90,0.04) 0%, transparent 55%);
}

/* ── NAV ─────────────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: 60px; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  background: var(--nav-bg);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: background 0.35s, border-color 0.35s;
}

.nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }

.nav-logo {
  width: 32px; height: 32px;
  border: 1px solid var(--green-border2);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800; font-size: 12px;
  color: var(--green);
  background: var(--green-glow);
  transition: all 0.25s var(--ease-out);
}
.nav-brand:hover .nav-logo { transform: scale(1.08); }

.nav-wordmark {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700; font-size: 13px;
  letter-spacing: 0.04em; color: var(--text);
}
.nav-wordmark span { color: var(--text3); font-weight: 400; margin-left: 2px; }

/* Keep .nav-name as alias for .nav-wordmark */
.nav-name { font-family: 'Bricolage Grotesque', sans-serif; font-weight: 700; font-size: 13px; letter-spacing: 0.04em; color: var(--text); }
.nav-name span { color: var(--text3); font-weight: 400; }

.nav-center {
  display: flex; align-items: center; gap: 2px;
  position: absolute; left: 50%; transform: translateX(-50%);
}

.nav-link {
  padding: 6px 13px; border-radius: 8px;
  font-size: 13px; font-weight: 500;
  color: var(--text2); text-decoration: none;
  transition: color 0.2s, background 0.2s;
  letter-spacing: 0.01em;
}
.nav-link:hover { color: var(--text); background: var(--surface2); }
.nav-link.active { color: var(--green); background: var(--green-glow); }

.nav-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.btn-nav {
  padding: 7px 16px;
  background: var(--green); border: none; border-radius: 9px;
  color: #fff; font-family: 'Instrument Sans', sans-serif;
  font-size: 13px; font-weight: 600; cursor: pointer;
  text-decoration: none; letter-spacing: 0.01em;
  transition: all 0.2s var(--ease-out);
  box-shadow: 0 2px 12px rgba(21,197,90,0.3);
}
.btn-nav:hover { background: var(--green-bright); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(21,197,90,0.4); }

.theme-toggle {
  width: 34px; height: 34px;
  border: 1px solid var(--border2); border-radius: 9px;
  background: var(--surface); color: var(--text2);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.theme-toggle:hover { border-color: var(--border3); color: var(--text); background: var(--surface2); }
.theme-toggle svg { transition: transform 0.4s var(--ease-spring); }

.hamburger {
  display: none; width: 34px; height: 34px;
  border: 1px solid var(--border2); border-radius: 9px;
  background: var(--surface); cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.hamburger span {
  display: block; width: 16px; height: 1.5px;
  background: var(--text2); border-radius: 2px;
  transition: all 0.25s var(--ease-out);
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed; top: 60px; left: 0; right: 0; z-index: 190;
  background: var(--bg2); border-bottom: 1px solid var(--border);
  padding: 8px 16px 16px;
  display: none; flex-direction: column; gap: 2px;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 10px 12px; border-radius: 10px;
  color: var(--text2); font-size: 14px; font-weight: 500;
  text-decoration: none; transition: color 0.2s, background 0.2s;
}
.mobile-menu a:hover { color: var(--text); background: var(--surface2); }

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn-primary {
  width: 100%; padding: 14px 20px;
  background: var(--green); border: none; border-radius: var(--radius);
  color: #fff; font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700; font-size: 14.5px; cursor: pointer; letter-spacing: 0.01em;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: all 0.22s var(--ease-out);
  box-shadow: 0 4px 20px rgba(21,197,90,0.35), 0 1px 3px rgba(0,0,0,0.3);
  position: relative; overflow: hidden;
}
.btn-primary::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.12) 0%, transparent 60%);
  border-radius: inherit; pointer-events: none;
}
.btn-primary:hover { background: var(--green-bright); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(21,197,90,0.45), 0 2px 8px rgba(0,0,0,0.3); }
.btn-primary:active { transform: translateY(0); transition-duration: 0.1s; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-ghost {
  width: 100%; padding: 12px 20px;
  background: transparent; border: 1px solid var(--border2); border-radius: var(--radius);
  color: var(--text2); font-family: 'Instrument Sans', sans-serif;
  font-size: 13.5px; font-weight: 500; cursor: pointer;
  transition: all 0.2s;
  display: flex; align-items: center; justify-content: center; gap: 7px;
}
.btn-ghost:hover { border-color: var(--green-border2); color: var(--green); background: var(--green-glow); }

/* ── CARD ────────────────────────────────────────────────────── */
.card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--card-shadow);
  position: relative; overflow: hidden;
  transition: background 0.35s, box-shadow 0.35s;
}
.card-top-bar {
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 5%, var(--green-border2) 30%, var(--green) 50%, var(--green-border2) 70%, transparent 95%);
  opacity: 0.7;
}

/* ── FIELDS ──────────────────────────────────────────────────── */
.field { margin-bottom: 14px; }
.field label, .field-label {
  display: block; font-size: 11px; font-weight: 600;
  letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--text2); margin-bottom: 7px; transition: color 0.2s;
}
.field:focus-within label, .field:focus-within .field-label { color: var(--green); }
.field-wrap { position: relative; }
.field input, .field select {
  width: 100%; padding: 12px 42px 12px 14px;
  background: var(--input-bg); border: 1px solid var(--border2);
  border-radius: var(--radius); color: var(--text);
  font-family: 'Instrument Sans', sans-serif; font-size: 15px; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  -webkit-appearance: none;
}
.field input:focus {
  border-color: var(--green); background: var(--input-bg-focus);
  box-shadow: 0 0 0 3px var(--green-glow), 0 0 0 1px var(--green-border2);
}
.field input::placeholder { color: var(--text3); }
.field input:read-only { opacity: 0.6; cursor: default; }
.field-icon {
  position: absolute; right: 13px; top: 50%; transform: translateY(-50%);
  color: var(--text3); pointer-events: none; transition: color 0.2s;
}
.field:focus-within .field-icon { color: var(--green); }
.field-badge {
  position: absolute; right: 13px; top: 50%; transform: translateY(-50%);
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  color: var(--green); font-family: 'DM Mono', monospace;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border2) 30%, var(--border2) 70%, transparent);
  margin: 20px 0;
}

.secure-badge {
  display: flex; align-items: center; justify-content: center; gap: 5px;
  font-size: 11px; color: var(--text3); margin-top: 12px; letter-spacing: 0.01em;
}

/* ── SPINNER ─────────────────────────────────────────────────── */
.spinner {
  width: 44px; height: 44px;
  border: 2px solid var(--border2); border-top-color: var(--green);
  border-radius: 50%; animation: spin 0.75s linear infinite;
  margin-bottom: 18px; box-shadow: 0 0 16px var(--green-glow);
}

/* ── RECEIPT ─────────────────────────────────────────────────── */
.receipt {
  width: 100%; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; margin-bottom: 18px;
}
.receipt-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 14px; border-bottom: 1px solid var(--border);
}
.receipt-row:last-child { border-bottom: none; }
.receipt-label { font-size: 11px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.07em; }
.receipt-value { font-family: 'Bricolage Grotesque', sans-serif; font-weight: 600; font-size: 14px; color: var(--text); }
.receipt-value.green, .receipt-value.accent { color: var(--green); }

.status-pill { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 500; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }

/* ── BADGES ──────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.04em;
}
.badge-success { background: rgba(21,197,90,0.1); color: var(--green); border: 1px solid var(--green-border); }
.badge-fail    { background: var(--red-glow); color: var(--red); border: 1px solid var(--red-border); }
.badge-pending { background: rgba(250,189,50,0.1); color: #FAB932; border: 1px solid rgba(250,189,50,0.2); }

/* ── TERMINAL ────────────────────────────────────────────────── */
.terminal {
  width: 100%; background: rgba(0,0,0,0.4);
  border: 1px solid var(--border2); border-radius: 12px; overflow: hidden;
}
.terminal-bar {
  padding: 8px 12px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 5px; background: var(--surface);
}
.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot-r { background: #FF5F57; } .dot-y { background: #FFBD2E; } .dot-g { background: #28C840; }
.terminal-body {
  padding: 12px 14px; font-family: 'DM Mono', monospace;
  font-size: 12px; color: var(--green); min-height: 40px; line-height: 1.6;
}

/* ── SUCCESS RING ────────────────────────────────────────────── */
.success-ring {
  width: 68px; height: 68px; border-radius: 50%;
  border: 2px solid var(--green);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; position: relative;
  background: radial-gradient(circle at 35% 35%, rgba(21,197,90,0.2), rgba(21,197,90,0.06));
  box-shadow: 0 0 0 8px var(--green-glow), 0 0 40px rgba(21,197,90,0.15);
}
.success-ring::before {
  content: ''; position: absolute; inset: -8px; border-radius: 50%;
  border: 1px solid var(--green-border);
  animation: ripple 2s ease-out infinite;
}

/* ── FOOTER ──────────────────────────────────────────────────── */
footer {
  position: relative; z-index: 1; padding: 24px 24px;
  border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between;
}
.footer-brand {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 700; font-size: 13px;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--text2);
}
.footer-brand span { color: var(--text3); font-weight: 400; }
.footer-copy { font-size: 12px; color: var(--text3); }

/* ── MONO ────────────────────────────────────────────────────── */
.mono { font-family: 'DM Mono', monospace; font-size: 12.5px; color: var(--green); }
.mono.muted { color: var(--text3); }

/* ── ANIMATIONS ──────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulseGreen {
  0%,100% { opacity:1; box-shadow: 0 0 0 0 rgba(21,197,90,0.4); }
  50%     { opacity:0.8; box-shadow: 0 0 0 5px rgba(21,197,90,0); }
}
@keyframes ripple {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.3); opacity: 0; }
}
@keyframes fadeUp {
  from { opacity:0; transform: translateY(16px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 860px) {
  .nav-center { display: none; }
  .hamburger { display: flex; }
  .btn-nav { display: none; }
}
@media (max-width: 520px) { nav { padding: 0 16px; } }