/* ECOnnect — base styles (mobile-first) */
:root {
  --forest: #2E7D32;
  --forest-dark: #1B5E20;
  --soft-green: #81C784;
  --neutral: #F5F5F5;
  --accent: #FFC107;
  --text: #212121;
  --text-muted: #666;
  --card-bg: #ffffff;
  --border: #e0e0e0;
  --danger: #d32f2f;
  --radius: 14px;
  --shadow: 0 2px 10px rgba(0,0,0,.08);
  --font: 'Nunito', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--neutral);
  color: var(--text);
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
a { color: var(--forest); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 1rem; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--forest); color: #fff;
  padding: .5rem 1rem; z-index: 200;
}
.skip-link:focus { left: 0; }

/* Buttons */
.btn, button.btn, .btn-cta, .btn-outline, .btn-cta-sm, .btn-outline-sm {
  display: inline-block; border: none; border-radius: 999px; cursor: pointer;
  font-family: var(--font); font-weight: 700; text-align: center;
}
.btn, .btn-cta {
  background: var(--forest); color: #fff; padding: .75rem 1.5rem; font-size: 1rem;
  transition: transform .15s ease, background .15s ease;
}
.btn:hover, .btn-cta:hover { background: var(--forest-dark); text-decoration: none; transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: #212121; }
.btn-outline { background: transparent; color: var(--forest); border: 2px solid var(--forest); padding: .65rem 1.4rem; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-cta-sm, .btn-outline-sm {
  padding: .4rem .9rem; font-size: .9rem;
}
.btn-cta-sm { background: var(--accent); color: #212121; }
.btn-outline-sm { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Header / Nav */
.site-header { background: #fff; box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100; }
.navbar { display: flex; align-items: center; justify-content: space-between; padding: .75rem 1rem; flex-wrap: wrap; }
.brand-group { display: flex; align-items: center; gap: .6rem; }
.partner-logo-link { display: inline-flex; align-items: center; border-right: 1px solid var(--border); padding-right: .6rem; }
.partner-logo { height: 28px; width: auto; display: block; }
.brand { font-size: 1.3rem; font-weight: 800; color: var(--forest-dark); display: inline-flex; align-items: center; }
.brand-logo-img { height: 34px; width: auto; display: block; }
.nav-toggle { display: flex; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: .5rem; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); }
.nav-links {
  list-style: none; display: none; width: 100%; padding: 0; margin: .75rem 0 0;
  flex-direction: column; gap: .5rem;
}
.nav-links.open { display: flex; }
.nav-links li a { padding: .5rem 0; display: inline-block; color: var(--text); }
.nav-notif { position: relative; }
.badge-count {
  background: var(--danger); color: #fff; font-size: .65rem; border-radius: 999px;
  padding: 1px 6px; margin-left: 4px; vertical-align: top;
}
.theme-toggle { background: none; border: 1px solid var(--border); border-radius: 999px; padding: .3rem .6rem; cursor: pointer; }

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .nav-links { display: flex; flex-direction: row; align-items: center; width: auto; margin: 0; }
  .nav-links li a { padding: .4rem .6rem; }
}

/* Flash alerts */
.flash-container { margin-top: 1rem; }
.alert { padding: .8rem 1rem; border-radius: var(--radius); margin-bottom: .75rem; font-weight: 600; }
.alert-success { background: #E8F5E9; color: var(--forest-dark); border: 1px solid var(--soft-green); }
.alert-error { background: #FDECEA; color: var(--danger); border: 1px solid #f5c6cb; }

/* Cards */
.card { background: var(--card-bg); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem; }
.grid { display: grid; gap: 1rem; }
@media (min-width: 700px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

/* Forms */
.form-group { margin-bottom: 1.1rem; }
label { display: block; font-weight: 700; margin-bottom: .35rem; }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=datetime-local], input[type=search], select, textarea {
  width: 100%; padding: .65rem .8rem; border-radius: 10px; border: 1px solid var(--border);
  font-family: var(--font); font-size: 1rem; background: #fff; color: var(--text);
}
textarea { resize: vertical; min-height: 90px; }
.help-text { font-size: .8rem; color: var(--text-muted); margin-top: .25rem; }
.checkbox-grid { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip-option { border: 1px solid var(--border); border-radius: 999px; padding: .35rem .9rem; cursor: pointer; font-size: .85rem; }
.chip-option input { display: none; }
.chip-option:has(input:checked) { background: var(--soft-green); border-color: var(--forest); color: var(--forest-dark); font-weight: 700; }

/* Hero */
.hero { padding: 3rem 0; text-align: center; background: linear-gradient(180deg, #E8F5E9, var(--neutral)); }
.hero h1 { font-size: 2rem; color: var(--forest-dark); margin-bottom: .5rem; }
.hero p { font-size: 1.1rem; color: var(--text-muted); max-width: 640px; margin: 0 auto 1.5rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.features { padding: 2.5rem 0; }
.feature-card { text-align: center; }
.feature-card .icon { font-size: 2rem; }

/* Swipe deck */
.swipe-deck { position: relative; max-width: 380px; margin: 1.5rem auto; height: 560px; }
.swipe-card {
  position: absolute; inset: 0; background: #fff; border-radius: 20px; box-shadow: var(--shadow);
  overflow: hidden; touch-action: none; display: flex; flex-direction: column;
}
.swipe-card .photo { height: 60%; background-size: cover; background-position: center; position: relative; }
.swipe-card .compat-badge {
  position: absolute; top: 10px; right: 10px; background: rgba(0,0,0,.65); color: #fff;
  padding: .3rem .7rem; border-radius: 999px; font-weight: 800; font-size: .9rem;
}
.swipe-card .info { padding: 1rem; flex: 1; overflow-y: auto; }
.compat-bar { height: 8px; background: #eee; border-radius: 999px; overflow: hidden; margin: .4rem 0; }
.compat-bar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--soft-green), var(--forest)); }
.tag-list { display: flex; flex-wrap: wrap; gap: .3rem; margin: .5rem 0; }
.tag { background: var(--neutral); border-radius: 999px; padding: .15rem .6rem; font-size: .75rem; }
.why-matched { font-style: italic; color: var(--forest-dark); font-size: .85rem; margin-top: .5rem; }
.swipe-actions { display: flex; justify-content: center; gap: 1rem; margin-top: 1rem; }
.swipe-actions button {
  width: 58px; height: 58px; border-radius: 50%; border: none; font-size: 1.4rem;
  cursor: pointer; box-shadow: var(--shadow); background: #fff;
}
.swipe-actions .pass { color: var(--danger); }
.swipe-actions .like { color: var(--forest); }
.swipe-actions .boost { color: var(--accent); }
.swipe-card.dragging { transition: none; }
.swipe-card.leaving-right { transform: translateX(600px) rotate(20deg); transition: transform .4s ease; opacity: 0; }
.swipe-card.leaving-left { transform: translateX(-600px) rotate(-20deg); transition: transform .4s ease; opacity: 0; }
.skeleton { background: linear-gradient(90deg, #eee 25%, #f5f5f5 50%, #eee 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: var(--radius); height: 560px; max-width: 380px; margin: 1.5rem auto; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Match/profile cards */
.user-card { display: flex; gap: 1rem; align-items: center; }
.user-card img.avatar, .avatar-lg { border-radius: 50%; object-fit: cover; }
.user-card img.avatar { width: 64px; height: 64px; }
.avatar-lg { width: 130px; height: 130px; }
.profile-header { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
.badge-list { display: flex; flex-wrap: wrap; gap: .5rem; }
.badge-pill { background: #FFF8E1; border: 1px solid var(--accent); border-radius: 999px; padding: .3rem .8rem; font-size: .8rem; font-weight: 700; }
.points-pill { background: var(--forest); color: #fff; border-radius: 999px; padding: .3rem .9rem; font-weight: 800; }

/* Chat */
.chat-layout { display: flex; height: 70vh; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: #fff; }
.chat-list { width: 280px; border-right: 1px solid var(--border); overflow-y: auto; display: none; }
.chat-list.show { display: block; }
.chat-list a { display: block; padding: .8rem 1rem; border-bottom: 1px solid var(--border); color: var(--text); }
.chat-window { flex: 1; display: flex; flex-direction: column; }
.chat-messages { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: .5rem; }
.msg { max-width: 70%; padding: .6rem .9rem; border-radius: 16px; font-size: .9rem; }
.msg.mine { align-self: flex-end; background: var(--soft-green); }
.msg.theirs { align-self: flex-start; background: var(--neutral); }
.msg .meta { font-size: .65rem; color: var(--text-muted); margin-top: 2px; }
.chat-input { display: flex; gap: .5rem; padding: .75rem; border-top: 1px solid var(--border); }
.chat-input input[type=text] { flex: 1; }
.typing-indicator { font-size: .8rem; color: var(--text-muted); font-style: italic; padding: 0 1rem; }
@media (min-width: 760px) { .chat-list { display: block; } }

/* Events */
.event-card { display: flex; flex-direction: column; gap: .4rem; }
.event-card .cat { display: inline-block; background: var(--soft-green); color: var(--forest-dark); border-radius: 999px; padding: .15rem .6rem; font-size: .75rem; font-weight: 700; width: fit-content; }
.impact-high { color: var(--forest-dark); font-weight: 800; }
.impact-medium { color: #F57F17; font-weight: 700; }
.impact-low { color: var(--text-muted); }

/* Notifications */
.notif-item { display: flex; gap: .75rem; padding: .8rem; border-bottom: 1px solid var(--border); }
.notif-item.unread { background: #E8F5E9; }

/* Breadcrumbs */
.breadcrumbs { font-size: .85rem; color: var(--text-muted); margin: 1rem 0; }
.breadcrumbs a { color: var(--text-muted); }

/* Impact meter */
.impact-meter-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; text-align: center; }
.impact-stat .num { font-size: 1.8rem; font-weight: 800; color: var(--forest-dark); }

/* Footer */
.site-footer { background: #1B2E1C; color: #cfe8d0; margin-top: 3rem; padding: 2rem 0 1rem; }
.footer-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 700px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
.site-footer a { color: #cfe8d0; }
.site-footer h2 { font-size: .9rem; text-transform: uppercase; letter-spacing: .05em; }
.footer-bottom { text-align: center; font-size: .8rem; margin-top: 1.5rem; color: #9fc7a2; }
.muted { color: var(--text-muted); }

/* Back-to-top floating button */
.back-to-top {
  position: fixed; bottom: 20px; right: 20px; width: 48px; height: 48px; border-radius: 50%;
  background: var(--forest); color: #fff; border: none; font-size: 1.3rem; cursor: pointer;
  box-shadow: var(--shadow); display: none; align-items: center; justify-content: center; z-index: 150;
  transition: opacity .2s ease, transform .2s ease;
}
.back-to-top.visible { display: flex; }
.back-to-top:hover { transform: translateY(-2px); }

/* Utility */
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}
.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}
.text-center{text-align:center}.flex{display:flex}.flex-wrap{flex-wrap:wrap}.gap-1{gap:.5rem}.gap-2{gap:1rem}
.small { font-size: .85rem; }