@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Design tokens ------------------------------------------------------- */
/* Two modes: light (default) uses a teal accent, dark uses a violet
   accent — each mode keeps its own accent hue rather than sharing one.
   Ported from the mtg-life-clicker design system. */

:root {
  --bg: #faf9f7;
  --bg-subtle: radial-gradient(ellipse 900px 500px at 50% -10%, rgba(15, 118, 110, 0.07), transparent 70%);
  --card: #ffffff;
  --card-2: #f7f7f5;
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --ink: #18181b;
  --ink-dim: #71717a;
  --ink-faint: #a1a1aa;
  --accent: #0f766e;
  --accent-hover: #0c5f58;
  --accent-ink: #ffffff;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success: #0f766e;
  --success-hover: #0c5f58;
  --input-bg: #fafafa;
  --secondary-bg: #f4f4f5;
  --secondary-hover: #e9e9ec;
  --secondary-border: #e4e4e7;
  --ghost-border: #e4e4e7;
  --ghost-ink: #3f3f46;
  --scrim: rgba(24, 24, 27, 0.5);
  --focus-ring: rgba(15, 118, 110, 0.25);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(24, 24, 27, 0.05);
  --shadow-md: 0 8px 24px -8px rgba(24, 24, 27, 0.14);
  --shadow-lg: 0 24px 64px -16px rgba(24, 24, 27, 0.22);

  /* Backward-compat aliases for existing markup/JS ------------------- */
  --primary: var(--accent);
  --primary-hover: var(--accent-hover);
  --bg-dark: var(--bg);
  --bg-card: var(--card);
  --text-main: var(--ink);
  --text-muted: var(--ink-dim);
  --glass-bg: var(--card-2);
  --glass-border: var(--border);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0b0e;
    --bg-subtle: radial-gradient(ellipse 900px 500px at 50% -10%, rgba(109, 94, 252, 0.10), transparent 70%);
    --card: #16161a;
    --card-2: #1b1b20;
    --border: #26262c;
    --border-strong: #34343c;
    --ink: #fafafa;
    --ink-dim: #8a8a94;
    --ink-faint: #5c5c66;
    --accent: #6d5efc;
    --accent-hover: #7d6fff;
    --accent-ink: #ffffff;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
    --success-hover: #0da271;
    --input-bg: #0f0f12;
    --secondary-bg: #1e1e24;
    --secondary-hover: #26262e;
    --secondary-border: #2e2e36;
    --ghost-border: #2a2a30;
    --ghost-ink: #c9c9d2;
    --scrim: rgba(6, 6, 8, 0.65);
    --focus-ring: rgba(109, 94, 252, 0.35);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 8px 24px -8px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 24px 64px -16px rgba(0, 0, 0, 0.55);
  }
}

:root[data-theme="dark"] {
  --bg: #0b0b0e;
  --bg-subtle: radial-gradient(ellipse 900px 500px at 50% -10%, rgba(109, 94, 252, 0.10), transparent 70%);
  --card: #16161a;
  --card-2: #1b1b20;
  --border: #26262c;
  --border-strong: #34343c;
  --ink: #fafafa;
  --ink-dim: #8a8a94;
  --ink-faint: #5c5c66;
  --accent: #6d5efc;
  --accent-hover: #7d6fff;
  --accent-ink: #ffffff;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #10b981;
  --success-hover: #0da271;
  --input-bg: #0f0f12;
  --secondary-bg: #1e1e24;
  --secondary-hover: #26262e;
  --secondary-border: #2e2e36;
  --ghost-border: #2a2a30;
  --ghost-ink: #c9c9d2;
  --scrim: rgba(6, 6, 8, 0.65);
  --focus-ring: rgba(109, 94, 252, 0.35);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 8px 24px -8px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 64px -16px rgba(0, 0, 0, 0.55);
}

:root[data-theme="light"] {
  --bg: #faf9f7;
  --bg-subtle: radial-gradient(ellipse 900px 500px at 50% -10%, rgba(15, 118, 110, 0.07), transparent 70%);
  --card: #ffffff;
  --card-2: #f7f7f5;
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --ink: #18181b;
  --ink-dim: #71717a;
  --ink-faint: #a1a1aa;
  --accent: #0f766e;
  --accent-hover: #0c5f58;
  --accent-ink: #ffffff;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success: #0f766e;
  --success-hover: #0c5f58;
  --input-bg: #fafafa;
  --secondary-bg: #f4f4f5;
  --secondary-hover: #e9e9ec;
  --secondary-border: #e4e4e7;
  --ghost-border: #e4e4e7;
  --ghost-ink: #3f3f46;
  --scrim: rgba(24, 24, 27, 0.5);
  --focus-ring: rgba(15, 118, 110, 0.25);

  --shadow-sm: 0 1px 2px rgba(24, 24, 27, 0.05);
  --shadow-md: 0 8px 24px -8px rgba(24, 24, 27, 0.14);
  --shadow-lg: 0 24px 64px -16px rgba(24, 24, 27, 0.22);
}

/* Global ---------------------------------------------------------------- */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.hidden { display: none !important; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-subtle), var(--bg);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.2s ease, color 0.2s ease;
}

::selection { background: var(--accent); color: var(--accent-ink); }

a { color: inherit; }

/* Layout ---------------------------------------------------------------- */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  width: 100%;
}

header {
  text-align: center;
  margin-bottom: 4rem;
  padding-top: 2rem;
}

header h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
}

header p {
  color: var(--ink-dim);
  font-size: 1.125rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

/* Top bar (theme toggle) ------------------------------------------------ */

.topbar {
  position: fixed;
  top: clamp(0.75rem, 2vw, 1.5rem);
  right: clamp(0.75rem, 2vw, 1.5rem);
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.65em 1.1em;
  font: inherit;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--focus-ring); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-secondary { background: var(--secondary-bg); color: var(--ink); border-color: var(--secondary-border); }
.btn-secondary:hover:not(:disabled) { background: var(--secondary-hover); border-color: var(--border-strong); }

.btn-danger { background: var(--danger); color: #ffffff; }
.btn-danger:hover:not(:disabled) { background: var(--danger-hover); }

.btn-success { background: var(--success); color: #ffffff; }
.btn-success:hover:not(:disabled) { background: var(--success-hover); }

.btn-ghost { background: transparent; color: var(--ghost-ink); border-color: var(--ghost-border); }
.btn-ghost:hover:not(:disabled) { background: var(--card-2); }

.btn-sm { padding: 0.45em 0.8em; font-size: 0.8125rem; border-radius: var(--radius-sm); }
.btn-block { width: 100%; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ghost-border);
  background: var(--card);
  color: var(--ghost-ink);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  cursor: pointer;
  padding: 0;
  box-shadow: var(--shadow-sm);
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}
.icon-btn:hover { background: var(--card-2); color: var(--accent); border-color: var(--accent); transform: scale(1.05); }
.icon-btn:active { transform: scale(0.94); }
.icon-btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--focus-ring); }
.icon-btn svg { width: 1.15rem; height: 1.15rem; stroke: currentColor; }

/* Theme toggle ---------------------------------------------------------- */

.theme-toggle { position: relative; }
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  width: 1.15rem;
  height: 1.15rem;
  transition: opacity 0.15s ease, transform 0.2s ease;
}
:root:not([data-theme="light"]) .theme-toggle .icon-sun { opacity: 1; transform: rotate(0deg); }
:root:not([data-theme="light"]) .theme-toggle .icon-moon { opacity: 0; transform: rotate(-40deg); }
:root[data-theme="light"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(40deg); }
:root[data-theme="light"] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0deg); }

/* Surfaces / dashboard cards ------------------------------------------- */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

a.card:hover,
.card.interactive:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 64px;
  height: 64px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

a.card:hover .card-icon {
  background: var(--accent);
  color: var(--accent-ink);
  transform: scale(1.06);
}

.card.disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.card.disabled:hover {
  transform: none;
  border-color: var(--border);
  box-shadow: var(--shadow-md);
}

.card h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--ink);
}

.card p {
  color: var(--ink-dim);
  font-size: 0.95rem;
  line-height: 1.5;
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  color: var(--ink);
}

.chip {
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

/* Form fields ----------------------------------------------------------- */

.field {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink);
  padding: 0.75em 0.9em;
  font: inherit;
  font-size: 0.9375rem;
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field::placeholder { color: var(--ink-faint); }
.field:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

/* Spinner --------------------------------------------------------------- */

.spinner {
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  opacity: 0.7;
  animation: spinner-rotate 0.65s linear infinite;
  flex-shrink: 0;
}
@keyframes spinner-rotate { to { transform: rotate(360deg); } }

/* Back button ----------------------------------------------------------- */

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-dim);
  text-decoration: none;
  margin-bottom: 2rem;
  font-weight: 500;
  transition: color 0.2s;
}
.back-btn:hover { color: var(--accent); }

/* Mobile — shared layout (dashboard + tool pages) ----------------------- */
@media (max-width: 768px) {
  .container { padding: 1.25rem 1rem; }
  header { margin-bottom: 2.5rem; padding-top: 0.25rem; }
  header h1 { font-size: 2rem; }
  header p { font-size: 1rem; }
  .grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .card { padding: 1.5rem; }
  .card-icon { width: 56px; height: 56px; margin-bottom: 1.25rem; }
  .topbar { top: 0.6rem; right: 0.6rem; }
}

@media (max-width: 420px) {
  header h1 { font-size: 1.7rem; }
  header p { font-size: 0.95rem; }
}

@media (prefers-reduced-motion: reduce) {
  .btn, .icon-btn, .field, .card, .card-icon,
  .theme-toggle .icon-sun, .theme-toggle .icon-moon {
    transition: none;
  }
}

/* Site footer: Impressum / Privacy links + copyright. */
.site-footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  text-align: center;
}
.site-footer__links {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  align-items: center;
  font-size: 0.8rem;
}
.site-footer__links a { color: var(--ink-dim); text-decoration: none; }
.site-footer__links a:hover { color: var(--ink); text-decoration: underline; }
.site-footer__links span { color: var(--ink-faint); }
.site-footer__copy { margin-top: 0.45rem; font-size: 0.78rem; color: var(--ink-faint); }