/* AlgoDog.in brand system — colors, type, shared components */

:root {
  --ad-ink: #0A0F1C;
  --ad-navy: #1E293B;
  --ad-green: #22C55E;
  --ad-green-light: #86EFAC;
  --ad-red: #EF4444;
  --ad-slate: #64748B;
  --ad-fog: #F1F5F9;
  --ad-white: #FFFFFF;

  --ad-bg: var(--ad-ink);
  --ad-surface: #10192B;
  --ad-surface-2: #16213A;
  --ad-text: #E7ECF5;
  --ad-text-dim: #93A0B8;
  --ad-border: #263248;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ad-bg);
  color: var(--ad-text);
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.ad-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */

.ad-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  padding: 12px 22px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.ad-btn:active { transform: translateY(1px); }

.ad-btn-primary {
  background: linear-gradient(135deg, var(--ad-green) 0%, #16a34a 100%);
  color: #06210f;
  box-shadow: 0 8px 24px -8px rgba(34, 197, 94, 0.55);
}

.ad-btn-primary:hover {
  box-shadow: 0 10px 30px -6px rgba(34, 197, 94, 0.7);
}

.ad-btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.ad-btn-ghost {
  background: transparent;
  color: var(--ad-text);
  border-color: var(--ad-border);
}

.ad-btn-ghost:hover {
  border-color: var(--ad-green);
  color: var(--ad-green-light);
}

/* ---------- Logo mark (inline SVG companion classes) ---------- */

.ad-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.ad-logo-word {
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ad-white);
}

.ad-logo-word .dog { color: var(--ad-green); }
.ad-logo-word .in { color: var(--ad-slate); font-weight: 500; }

/* ---------- Cards ---------- */

.ad-card {
  background: var(--ad-surface);
  border: 1px solid var(--ad-border);
  border-radius: 18px;
}

/* ---------- Form controls ---------- */

.ad-field { margin-bottom: 18px; }

.ad-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ad-text-dim);
  margin-bottom: 6px;
}

.ad-input-wrap { position: relative; }

.ad-input {
  width: 100%;
  background: var(--ad-surface-2);
  border: 1px solid var(--ad-border);
  color: var(--ad-text);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ad-input:focus {
  border-color: var(--ad-green);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
}

.ad-input.otp {
  letter-spacing: 0.5em;
  text-align: center;
  font-size: 20px;
  font-weight: 600;
  font-family: 'SFMono-Regular', Consolas, monospace;
}

.ad-eye-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--ad-text-dim);
  cursor: pointer;
  padding: 6px;
  display: flex;
}

.ad-eye-toggle:hover { color: var(--ad-text); }

.ad-alert {
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  margin-bottom: 16px;
  border: 1px solid transparent;
}

.ad-alert-error {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

.ad-alert-info {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.3);
  color: var(--ad-green-light);
}

.ad-alert-success {
  background: rgba(34, 197, 94, 0.14);
  border-color: rgba(34, 197, 94, 0.4);
  color: var(--ad-green-light);
}

.ad-link {
  color: var(--ad-text-dim);
  font-size: 14px;
}

.ad-link:hover { color: var(--ad-green-light); }

.ad-spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(6, 33, 15, 0.35);
  border-top-color: #06210f;
  animation: ad-spin 0.7s linear infinite;
}

@keyframes ad-spin {
  to { transform: rotate(360deg); }
}

::selection {
  background: rgba(34, 197, 94, 0.35);
}

/* ---------- Utility ---------- */

.ad-muted { color: var(--ad-text-dim); }
.ad-center { text-align: center; }
.ad-hidden { display: none !important; }