/* ===========================
   EDH Tools • Global Styles
   (Dark theme, mobile-first)
   =========================== */

/* --- Reset / base --- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
:root {
  /* Color tokens */
  --bg: #0f2a28;
  --bg-elev-1: #0f2523;
  --bg-elev-2: #112f2c;
  --fg: #e9f4f2;
  --fg-muted: #cfe4e1;
  --fg-dim: #a6c7c3;

  --accent: #1f9d86;
  --accent-ink: #032a22;

  --border: rgba(255,255,255,.12);
  --border-soft: rgba(255,255,255,.08);
  --shadow-inset: 0 1px 0 rgba(0,0,0,.18) inset;

  /* Sizing */
  --radius: 14px;
  --radius-lg: 16px;
  --pad: 14px;
  --tap: 52px;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.55 system-ui, -apple-system, Segoe UI, Roboto,
        "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

a { color: #aee; text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 24px; margin: 14px 0 10px; font-weight: 800; }
h2 { font-size: 20px; margin: 12px 0 8px; font-weight: 700; }
p { margin: 10px 0; }

label { display:block; margin: 12px 0 8px; font-weight: 600; }

/* Inputs */
input:not([type="checkbox"]):not([type="radio"]),
textarea, select {
  width: 100%;
  background: var(--bg-elev-1);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 17px;
}
textarea { min-height: 150px; }
input[type="checkbox"], input[type="radio"] {
  width: auto;
  height: 20px;
  margin: 0;
  padding: 0;
  accent-color: var(--accent);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 5px;
  vertical-align: middle;
}

/* --- Layout helpers --- */
.container { max-width: 1000px; margin: 16px auto; padding: 0 var(--pad); }
.stack-8  > * + * { margin-top: 8px; }
.stack-12 > * + * { margin-top: 12px; }
.stack-16 > * + * { margin-top: 16px; }
.row { display:flex; align-items:center; gap: 10px; flex-wrap: wrap; }
.grid { display: grid; gap: 14px; }
@media (min-width: 660px) { .grid.grid-2 { grid-template-columns: 1fr 1fr; } }

/* --- Top nav --- */
nav {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px var(--pad);
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg);
}

nav a {
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

nav a:first-child {
  margin-right: 12px;
}

/* --- Cards / tiles --- */
.card {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow-inset);
}
.card--clickable { cursor: pointer; }
.card--clickable:active { transform: translateY(1px); }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: var(--tap);
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #0b0b0b; color: #fff;
  font-weight: 800;
  transition: filter .12s ease;
}
.btn:hover { filter: brightness(1.05); }
.btn:disabled { opacity: .6; pointer-events: none; }
.btn--ghost { background: transparent; color: var(--fg); border-color: var(--border-soft); }
.btn--small { min-height: 36px; padding: 7px 12px; border-radius: 10px; font-weight: 700; }
.btn--danger { background: #7a1f1f; border-color: #b33; color: #fff; }
.btn--danger:hover { background: #962929; border-color: #d55; }

/* --- Chips --- */
.chips { display:flex; gap:8px; overflow:auto; -webkit-overflow-scrolling:touch; }
.chip {
  padding: 8px 12px; border-radius: 999px;
  background: rgba(255,255,255,.08);
  color: var(--fg);
  white-space: nowrap;
  font-size: 15px;
}
.chip--active { background: var(--accent); color: var(--accent-ink); font-weight: 800; }

/* --- Sticky bars --- */
.sticky-top {
  position: sticky; top: 0; z-index: 8;
  padding: 10px 14px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-soft);
}
.sticky-bottom {
  position: sticky; bottom: 0; z-index: 9;
  background: linear-gradient(180deg, rgba(15,42,40,.6), rgba(15,42,40,.95));
  backdrop-filter: blur(6px);
  padding: 12px 14px calc(12px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border-soft);
}
.actionbar { display:grid; gap:12px; grid-template-columns: 1fr auto; }
@media (max-width: 420px) { .actionbar { grid-template-columns: 1fr 1fr; } }

/* --- Global utilities --- */
.muted { color: var(--fg-dim); }
.center { text-align: center; }
.hide { display: none !important; }

/* ===============================
   HOME PAGE — Minimal Polish
   =============================== */

.home {
  margin-top: 32px;
}

.home__title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
}

.home__grid {
  display: grid;
  gap: 18px;
}

@media (min-width: 660px) {
  .home__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.home__card {
  padding: 20px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 120ms ease, box-shadow 160ms ease;
}

.home__card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,.25);
}

.home__desc {
  font-size: 15px;
  margin: 0;
}