/* TheFriendlyChatBuddy: minimal, white-and-blue, no-framework styling. */

:root {
  --bg: #f5f9ff;         /* white with a faint blue tint */
  --panel: #ffffff;
  --ink: #1e293b;        /* slate navy text */
  --muted: #64748b;      /* blue-gray */
  --accent: #3b82f6;     /* friendly blue */
  --accent-dark: #2563eb;
  --line: #dce7f5;       /* light blue border */
  --ok: #2f8f5b;
  --error: #c0392b;
  --pink: #ec4899;       /* splash accent */
  --pink-soft: #fdeef6;  /* soft pink tint */
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem; background: var(--panel); border-bottom: 1px solid var(--line);
}
.site-header .brand { font-weight: 700; font-size: 1.15rem; }
.site-header nav a { margin-left: 1.25rem; }

.container { max-width: 880px; margin: 0 auto; padding: 1.5rem; }

.site-footer {
  text-align: center; color: var(--muted); font-size: .9rem;
  padding: 2rem 1rem; border-top: 1px solid var(--line); margin-top: 3rem;
}

/* Buttons */
.btn {
  display: inline-block; background: var(--accent); color: #fff;
  padding: .6rem 1.1rem; border-radius: 8px; border: none; cursor: pointer;
  font-size: 1rem; font-weight: 600;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; }
.btn-large { padding: .85rem 1.6rem; font-size: 1.1rem; }
.btn-small { padding: .35rem .75rem; font-size: .85rem; }
.btn-tiny { padding: .1rem .4rem; font-size: .8rem; }
.btn-outline { background: transparent; color: var(--accent-dark); border: 1px solid var(--accent); }
.btn-outline:hover { background: #fff; }
.btn-danger { background: #d9534f; }
.btn-danger:hover { background: var(--error); }

/* Hero + marketing */
.hero { text-align: center; padding: 2.5rem 0 1.5rem; }
.hero h1 { font-size: 2.1rem; margin-bottom: .5rem; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 640px; margin: 0 auto 1.5rem; }
/* Splash of pink: the hero CTA pops against the blue theme. */
.hero .btn-large { background: var(--pink); }
.hero .btn-large:hover { background: #db2777; }

.features { display: flex; gap: 1rem; flex-wrap: wrap; margin: 2rem 0; }
.feature {
  flex: 1 1 240px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 1.2rem;
}
.feature h3 { margin-top: 0; color: var(--accent-dark); }

.business-model {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.5rem; margin-top: 2rem;
}
.model-list { padding-left: 1.2rem; }
.model-list li { margin: .4rem 0; }
.why { background: var(--pink-soft); border-left: 3px solid var(--pink); border-radius: 8px; padding: .9rem 1rem; }

/* Pricing */
.pricing-tiers {
  display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: stretch; margin: 1.5rem 0;
}
.price-card {
  position: relative; flex: 1 1 300px; max-width: 360px;
  background: var(--panel); border: 2px solid var(--accent); border-radius: 14px;
  padding: 1.8rem; margin: 0;
}
/* Splash of pink: the Premium tier pops against the blue Standard card. */
.price-card.featured { border-color: var(--pink); background: var(--pink-soft); }
.tier-badge {
  position: absolute; top: -.85rem; left: 1.5rem; background: var(--pink); color: #fff;
  font-size: .75rem; font-weight: 700; padding: .25rem .7rem; border-radius: 999px;
}
.price-card.featured .btn-large { background: var(--pink); }
.price-card.featured .btn-large:hover { background: #db2777; }
.plan-name { font-size: 1.1rem; font-weight: 700; color: var(--accent-dark); }
.price-card.featured .plan-name { color: var(--pink); }
.plan-tagline { color: var(--muted); margin: .3rem 0 1rem; }
.price-amount { font-size: 2.4rem; font-weight: 800; }
.price-amount span { font-size: 1rem; font-weight: 500; color: var(--muted); }
.price-card ul { padding-left: 1.1rem; }

/* Auth */
.auth-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.8rem; max-width: 420px; margin: 2rem auto;
}
.auth-card label, .add-line-form label, .inline-form label { display: block; margin: .7rem 0; }
.auth-card input, .add-line-form input, .inline-form input, .schedule-form input,
.schedule-form select {
  width: 100%; padding: .55rem; border: 1px solid var(--line); border-radius: 7px;
  font-size: 1rem; margin-top: .2rem;
}
.oauth { margin: 1rem 0; text-align: center; }
.muted { color: var(--muted); font-size: .92rem; }

/* Dashboard */
.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.3rem; margin: 1.2rem 0;
}
.inline-form { display: flex; gap: .8rem; align-items: end; flex-wrap: wrap; }
.inline-form label { flex: 1 1 200px; }
.line-card { border: 1px solid var(--line); border-radius: 10px; padding: 1rem; margin: .8rem 0; }
.line-head { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.plan-row { margin-top: .5rem; font-size: .92rem; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.plan-row select { width: auto; padding: .3rem; border: 1px solid var(--line); border-radius: 6px; }
.schedules { margin-top: .6rem; }
.schedule-form { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .5rem; }
.schedule-form input { width: auto; flex: 1 1 90px; }
.add-line-form .check { display: block; }
.add-line-form .check input { width: auto; }

.badge {
  display: inline-block; padding: .1rem .5rem; border-radius: 999px;
  font-size: .8rem; font-weight: 600; background: #eee; color: #555;
}
.badge-active, .badge-trialing { background: #dff3e6; color: var(--ok); }
.badge-past_due, .badge-canceled, .badge-none { background: #fde2df; color: var(--error); }

/* Flash messages */
.flash { padding: .7rem 1rem; border-radius: 8px; margin: .6rem 0; }
.flash-ok { background: #dff3e6; color: var(--ok); }
.flash-error { background: #fde2df; color: var(--error); }
.flash-info { background: var(--pink-soft); color: var(--accent-dark); }

/* Coming-soon banner: pink splash strip shown site-wide while purchases are off (pre-launch). */
.coming-soon-banner {
  background: var(--pink-soft); color: var(--ink);
  border-bottom: 1px solid var(--pink);
  text-align: center; padding: .7rem 1rem; font-size: .95rem;
}
.coming-soon-banner strong { color: var(--pink); }

/* Disabled buttons (e.g. the "Coming soon" pricing CTA) read as inert, not clickable. */
.btn:disabled, .btn[disabled] {
  background: var(--line); color: var(--muted); cursor: not-allowed;
}
.btn:disabled:hover, .btn[disabled]:hover { background: var(--line); }