/* ============================================================
   GBAGL — Main Stylesheet
   A romantic, mobile-first design for gba.gl
   ✏️ CUSTOMIZE: Change colors/fonts in the :root section below
   ============================================================ */

/* ── Custom Properties (Design Tokens) ────────────────────── */
:root {
  /* Colors */
  --color-bg:           #fff8f9;
  --color-bg-alt:       #fef0f3;
  --color-card:         #ffffff;
  --color-primary:      #e8677a;      /* rose pink */
  --color-primary-dark: #c94d60;
  --color-primary-light:#f4a0b0;
  --color-accent:       #ff8fa3;
  --color-peach:        #ffd4b8;
  --color-text:         #3d2a2f;
  --color-text-muted:   #8b6070;
  --color-border:       #f5d0d8;
  --color-shadow:       rgba(232, 103, 122, 0.14);
  --color-success-bg:   #ecfdf5;
  --color-success-text: #065f46;
  --color-error-bg:     #fef2f2;
  --color-error-text:   #991b1b;
  --color-warning-bg:   #fffbeb;
  --color-warning-text: #92400e;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:    'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border-radius */
  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px var(--color-shadow);
  --shadow-md: 0 6px 24px var(--color-shadow);
  --shadow-lg: 0 12px 40px var(--color-shadow);

  /* Max page width */
  --max-width: 1100px;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 1rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
}

/* ── Utilities ─────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ── Navigation ────────────────────────────────────────────── */
.nav {
  background: rgba(255, 248, 249, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav__logo:hover { text-decoration: none; }

.nav__links {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
}

.nav__link {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  text-decoration: none;
}

/* Hamburger (mobile) */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-sm);
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all 0.25s;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background-color 0.15s;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(232, 103, 122, 0.4);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(232, 103, 122, 0.5);
}

.btn--outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn--full { width: 100%; }

/* Icon buttons (for status/delete actions) */
.btn-icon {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.3rem 0.55rem;
  transition: background-color 0.15s, transform 0.1s;
  line-height: 1;
}
.btn-icon:hover { background: var(--color-border); transform: scale(1.1); }
.btn-icon--danger:hover { background: #fee2e2; border-color: #fca5a5; }

/* ── Alert / Flash messages ─────────────────────────────────── */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  font-weight: 700;
  font-size: 0.95rem;
}
.alert--success  { background: var(--color-success-bg); color: var(--color-success-text); }
.alert--error    { background: var(--color-error-bg);   color: var(--color-error-text); }
.alert--warning  { background: var(--color-warning-bg); color: var(--color-warning-text); }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.card__title {
  font-size: 1.35rem;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

/* ── Section titles ─────────────────────────────────────────── */
.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--space-xl);
}
.section-title--left { text-align: left; }

/* ── Page header ────────────────────────────────────────────── */
.page-header {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-xl);
}
.page-header__title {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.page-header__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto;
}

/* ── Hero section ───────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
  padding: var(--space-3xl) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero__eyebrow {
  font-size: 1rem;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(3.5rem, 12vw, 6rem);
  line-height: 1;
  background: linear-gradient(135deg, var(--color-primary), var(--color-peach));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.hero__subtitle {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.hero__description {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 420px;
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

/* ── Photo Collage ──────────────────────────────────────────── */
.collage {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto;
  gap: var(--space-sm);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.collage__item { overflow: hidden; border-radius: var(--radius-sm); }

.collage__item--tall {
  grid-row: span 2;
}

.collage__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  border-radius: var(--radius-sm);
}
.collage__img:hover { transform: scale(1.04); }

/* ── Features section ───────────────────────────────────────── */
.features {
  background: var(--color-bg-alt);
  padding: var(--space-3xl) 0;
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.feature-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-card__icon  { font-size: 2.5rem; margin-bottom: var(--space-md); }
.feature-card__title { font-size: 1.4rem; margin-bottom: var(--space-sm); }
.feature-card__text  { color: var(--color-text-muted); margin-bottom: var(--space-lg); font-size: 0.95rem; }

/* ── Adventure page ─────────────────────────────────────────── */
.page-adventure {
  padding-bottom: var(--space-3xl);
}

/* Form */
.form-card { margin-bottom: var(--space-2xl); }

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text);
}
.form-label__optional {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.form-select,
.form-textarea {
  padding: 0.65rem var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23e8677a' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(232, 103, 122, 0.18);
}

.form-textarea { resize: vertical; min-height: 90px; }

/* Ideas grid */
.ideas-section,
.inspiration-section {
  margin-bottom: var(--space-2xl);
}

.inspiration-intro {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.ideas-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

/* Individual idea card */
.idea-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: box-shadow 0.2s;
}
.idea-card:hover { box-shadow: var(--shadow-md); }

.idea-card--done     { border-left: 4px solid #34d399; }
.idea-card--favorite { border-left: 4px solid var(--color-primary); }
.idea-card--pending  { border-left: 4px solid var(--color-peach); }
.idea-card--suggestion {
  background: var(--color-bg-alt);
  border-style: dashed;
  border-color: var(--color-primary-light);
}

.idea-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.badge {
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
}
.badge--vibe     { background: #fce7f3; color: #9d174d; }
.badge--budget   { background: #ecfdf5; color: #065f46; }
.badge--location { background: #eff6ff; color: #1e40af; }

.idea-card__notes {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  flex: 1;
}

.idea-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.idea-card__status--done     { color: #065f46; font-weight: 700; }
.idea-card__status--favorite { color: var(--color-primary-dark); font-weight: 700; }
.idea-card__status--pending  { color: var(--color-text-muted); }

.idea-card__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  padding-top: var(--space-sm);
}

.status-form {
  display: flex;
  gap: var(--space-xs);
}

/* ── Timeline page ──────────────────────────────────────────── */
.page-timeline {
  padding-bottom: var(--space-3xl);
}

.timeline {
  position: relative;
  margin: 0 auto;
  max-width: 720px;
  padding: var(--space-xl) 0 var(--space-2xl);
}

/* Vertical line */
.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  background: linear-gradient(to bottom, var(--color-primary-light), var(--color-peach));
  border-radius: 3px;
}

.timeline__item {
  position: relative;
  width: 50%;
  padding: 0 var(--space-xl) var(--space-2xl);
}

.timeline__item--left  { left: 0;   text-align: right; }
.timeline__item--right { left: 50%; text-align: left;  }

/* Dot on the center line */
.timeline__connector {
  position: absolute;
  top: 0;
}
.timeline__item--left  .timeline__connector { right: -1.25rem; }
.timeline__item--right .timeline__connector { left: -1.25rem;  }

.timeline__dot {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--color-card);
  border: 3px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1;
}

.timeline__card {
  padding: var(--space-lg);
  text-align: left;
}

.timeline__date {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xs);
}

.timeline__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.timeline__description {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.timeline__photo {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-top: var(--space-sm);
}

.timeline__photo-placeholder {
  background: var(--color-bg-alt);
  border: 2px dashed var(--color-primary-light);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-top: var(--space-sm);
}
.timeline__photo-placeholder span { display: block; font-size: 1.5rem; margin-bottom: var(--space-xs); }
.timeline__photo-placeholder code { font-size: 0.75rem; }

/* ── 404 page ───────────────────────────────────────────────── */
.error-page {
  text-align: center;
  padding: var(--space-3xl) 0;
}
.error-page__icon    { font-size: 4rem; margin-bottom: var(--space-md); }
.error-page__title   { font-size: 6rem; color: var(--color-primary); font-family: var(--font-heading); }
.error-page__message { font-size: 1.4rem; font-family: var(--font-heading); margin-bottom: var(--space-sm); }
.error-page__sub     { color: var(--color-text-muted); margin-bottom: var(--space-xl); }

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl);
  text-align: center;
  margin-top: auto;
}
.footer__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ── Responsive — Tablet (640px+) ──────────────────────────── */
@media (min-width: 640px) {
  .form-row {
    grid-template-columns: repeat(3, 1fr);
  }

  .ideas-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Responsive — Desktop (1024px+) ─────────────────────────── */
@media (min-width: 1024px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    padding: var(--space-3xl) var(--space-lg);
    gap: var(--space-3xl);
  }

  .collage {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 180px);
  }

  .collage__item--tall {
    grid-row: span 2;
    /* first item spans full height on the left */
  }

  .ideas-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .collage {
    max-height: 420px;
  }
}

/* ── Mobile nav ─────────────────────────────────────────────── */
@media (max-width: 639px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--space-md) var(--space-lg);
    gap: var(--space-md);
    box-shadow: var(--shadow-md);
  }

  .nav__links.nav__links--open {
    display: flex;
  }

  /* Single-column timeline on mobile */
  .timeline::before { left: 1.25rem; }
  .timeline__item { width: 100%; left: 0 !important; text-align: left !important; padding-left: 3.5rem; padding-right: 0; }
  .timeline__connector { left: 0 !important; right: auto !important; }
}