/* ==========================================================
   SANA Hub Fundraiser — Public Stylesheet
   HoaW MSINGI | Green / Sustainable Fashion Palette
   ========================================================== */

:root {
  --sana-green-dark:  #1b5e30;
  --sana-green:       #2d7d46;
  --sana-green-mid:   #4caf68;
  --sana-green-light: #a5d6a7;
  --sana-green-pale:  #e8f5e9;
  --sana-amber:       #f59e0b;
  --sana-red:         #dc2626;
  --sana-white:       #ffffff;
  --sana-text:        #1a2e1f;
  --sana-text-mid:    #4b5563;
  --sana-border:      #d1e7d5;
  --sana-radius:      12px;
  --sana-shadow:      0 4px 20px rgba(0,0,0,.08);
  --sana-shadow-lg:   0 8px 40px rgba(0,0,0,.13);
  --sana-font:        'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

.sana-wrap { font-family: var(--sana-font); color: var(--sana-text); max-width: 1200px; margin: 0 auto; padding: 0 16px 60px; }

/* ── Hero ────────────────────────────────────────────────── */
.sana-hero {
  background: linear-gradient(135deg, var(--sana-green-dark) 0%, var(--sana-green) 55%, #38a05c 100%);
  border-radius: var(--sana-radius);
  padding: 56px 40px;
  text-align: center;
  margin-bottom: 0;
  position: relative;
  overflow: hidden;
}
.sana-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.sana-hero__inner { position: relative; z-index: 1; }
.sana-hero__badge { display: inline-block; background: rgba(255,255,255,.15); color: #c8e6c9; border: 1px solid rgba(255,255,255,.25); border-radius: 20px; padding: 6px 18px; font-size: 13px; letter-spacing: .5px; margin-bottom: 18px; }
.sana-hero__title { font-size: clamp(28px,5vw,52px); font-weight: 800; color: #fff; line-height: 1.1; margin-bottom: 16px; }
.sana-hero__sub { color: #c8e6c9; font-size: clamp(15px,2vw,19px); max-width: 680px; margin: 0 auto; line-height: 1.6; }
.sana-hero--impact .sana-hero__title { font-size: clamp(26px,4vw,44px); }

/* ── Stats bar ───────────────────────────────────────────── */
.sana-statsbar {
  display: flex; gap: 0;
  background: var(--sana-green-dark);
  border-radius: 0 0 var(--sana-radius) var(--sana-radius);
  overflow: hidden;
  margin-bottom: 32px;
}
.sana-statsbar__item {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  padding: 16px 8px; border-right: 1px solid rgba(255,255,255,.1);
}
.sana-statsbar__item:last-child { border-right: none; }
.sana-stat-num { color: var(--sana-green-mid); font-size: clamp(18px,3vw,26px); font-weight: 800; line-height: 1; }
.sana-stat-label { color: var(--sana-green-light); font-size: 11px; text-transform: uppercase; letter-spacing: .6px; margin-top: 4px; }

/* ── Main grid ───────────────────────────────────────────── */
.sana-main-grid { display: grid; grid-template-columns: 1fr 380px; gap: 28px; align-items: start; }
@media (max-width: 900px) { .sana-main-grid { grid-template-columns: 1fr; } }

/* ── Cards ───────────────────────────────────────────────── */
.sana-card {
  background: var(--sana-white); border-radius: var(--sana-radius);
  box-shadow: var(--sana-shadow); padding: 28px 32px; margin-bottom: 24px;
  border: 1px solid var(--sana-border);
}
.sana-card h2, .sana-card h3 { font-size: 18px; font-weight: 700; color: var(--sana-green-dark); margin-bottom: 18px; }

/* ── Donation tiers ──────────────────────────────────────── */
.sana-tiers { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px,1fr)); gap: 10px; margin-bottom: 20px; }
.sana-tier {
  border: 2px solid var(--sana-border); background: var(--sana-white);
  border-radius: 10px; padding: 14px 10px; cursor: pointer;
  text-align: center; transition: all .2s; position: relative;
  display: flex; flex-direction: column; gap: 3px;
}
.sana-tier:hover { border-color: var(--sana-green); transform: translateY(-2px); box-shadow: var(--sana-shadow); }
.sana-tier--active { border-color: var(--sana-green); background: var(--sana-green-pale); box-shadow: 0 0 0 3px rgba(45,125,70,.15); }
.sana-tier--featured { border-color: var(--sana-amber); background: #fffbeb; }
.sana-tier--featured.sana-tier--active { background: #fef3c7; }
.sana-tier__popular { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: var(--sana-amber); color: #78350f; font-size: 10px; font-weight: 700; padding: 2px 10px; border-radius: 10px; white-space: nowrap; }
.sana-tier__label { font-size: 11px; font-weight: 700; color: var(--sana-text-mid); text-transform: uppercase; letter-spacing: .4px; }
.sana-tier__amount { font-size: 18px; font-weight: 800; color: var(--sana-green-dark); line-height: 1.1; }
.sana-tier--custom .sana-tier__amount { font-size: 15px; }
.sana-tier__desc { font-size: 11px; color: var(--sana-text-mid); line-height: 1.35; }

/* ── Impact preview ─────────────────────────────────────── */
.sana-impact-preview {
  background: linear-gradient(135deg, var(--sana-green-pale), #f0faf2);
  border: 1px solid var(--sana-green-light); border-radius: 8px;
  padding: 14px 18px; margin-bottom: 20px;
  font-size: 14px; color: #2d5a38; line-height: 1.6;
}
.sana-impact-preview::before { content: '🌱 '; }

/* ── Form ────────────────────────────────────────────────── */
.sana-form { display: flex; flex-direction: column; gap: 16px; }
.sana-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .sana-form-row { grid-template-columns: 1fr; } }
.sana-field { display: flex; flex-direction: column; gap: 5px; }
.sana-field label { font-size: 13px; font-weight: 600; color: var(--sana-text-mid); }
.sana-field input, .sana-field select, .sana-field textarea {
  border: 1.5px solid var(--sana-border); border-radius: 8px;
  padding: 10px 14px; font-size: 15px; font-family: var(--sana-font);
  transition: border-color .2s; background: #fafffe; outline: none;
}
.sana-field input:focus, .sana-field select:focus, .sana-field textarea:focus {
  border-color: var(--sana-green); box-shadow: 0 0 0 3px rgba(45,125,70,.12);
}
.sana-field textarea { resize: vertical; min-height: 80px; }
.sana-divider { border: none; border-top: 1px solid var(--sana-border); margin: 4px 0; }
.sana-section-heading { font-size: 15px; font-weight: 700; color: var(--sana-green-dark); margin-bottom: 4px; }

/* ── Gateways ────────────────────────────────────────────── */
.sana-gateways { display: flex; gap: 10px; flex-wrap: wrap; }
.sana-gw-option {
  flex: 1; min-width: 160px; border: 2px solid var(--sana-border); border-radius: 8px;
  padding: 12px 14px; cursor: pointer; display: flex; align-items: center; gap: 8px;
  font-size: 14px; transition: all .2s;
}
.sana-gw-option input[type=radio] { accent-color: var(--sana-green); }
.sana-gw-option--selected, .sana-gw-option:has(input:checked) { border-color: var(--sana-green); background: var(--sana-green-pale); }

/* ── Bank details box ────────────────────────────────────── */
.sana-bank-details {
  background: #f0f4ff; border: 1px solid #c7d7fd; border-radius: 8px;
  padding: 16px 18px; font-size: 14px; line-height: 1.7;
}
.sana-bank-details h4 { font-size: 14px; color: #1e3a8a; margin-bottom: 8px; }
.sana-bank-note { color: var(--sana-text-mid); font-size: 13px; margin-top: 8px; font-style: italic; }

/* ── Checkbox ────────────────────────────────────────────── */
.sana-check-row { }
.sana-checkbox { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--sana-text-mid); cursor: pointer; }
.sana-checkbox input { accent-color: var(--sana-green); width: 16px; height: 16px; }

/* ── Form error ──────────────────────────────────────────── */
.sana-form-error {
  background: #fef2f2; border: 1px solid #fca5a5; border-radius: 8px;
  padding: 12px 16px; color: var(--sana-red); font-size: 14px;
}

/* ── Donate button ───────────────────────────────────────── */
.sana-btn-donate {
  width: 100%; padding: 16px 24px;
  background: linear-gradient(135deg, var(--sana-green), var(--sana-green-dark));
  color: #fff; font-size: 17px; font-weight: 700; border: none;
  border-radius: 10px; cursor: pointer; transition: all .2s;
  box-shadow: 0 4px 15px rgba(45,125,70,.35); letter-spacing: .3px;
}
.sana-btn-donate:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(45,125,70,.45); }
.sana-btn-donate:active { transform: none; }
.sana-btn-donate:disabled { opacity: .65; cursor: not-allowed; transform: none; }

/* ── Thermometer ─────────────────────────────────────────── */
.sana-thermometer-card { text-align: center; }
.sana-thermo-wrap { padding: 8px 0; }
.sana-thermo-bar { background: #e9f3eb; border-radius: 20px; height: 22px; overflow: hidden; margin-bottom: 8px; }
.sana-thermo-fill { height: 100%; background: linear-gradient(90deg, var(--sana-green-dark), var(--sana-green-mid)); border-radius: 20px; transition: width 1.2s ease; }
.sana-thermo-labels { display: flex; justify-content: space-between; font-size: 13px; color: var(--sana-text-mid); }
.sana-thermo-pct { font-size: 28px; font-weight: 800; color: var(--sana-green); margin-top: 8px; }

/* ── Campaigns list ──────────────────────────────────────── */
.sana-campaigns-list { display: flex; flex-direction: column; gap: 16px; }
.sana-campaign-item { border-bottom: 1px solid var(--sana-border); padding-bottom: 16px; }
.sana-campaign-item:last-child { border-bottom: none; padding-bottom: 0; }
.sana-campaign-title { font-weight: 700; font-size: 14px; color: var(--sana-green-dark); margin-bottom: 3px; }
.sana-campaign-desc { font-size: 12px; color: var(--sana-text-mid); margin-bottom: 8px; line-height: 1.4; }
.sana-progress-bar { background: #e9f3eb; border-radius: 8px; height: 8px; overflow: hidden; margin-bottom: 5px; }
.sana-progress-fill { height: 100%; background: var(--sana-green); border-radius: 8px; transition: width .8s ease; }
.sana-campaign-stats { display: flex; justify-content: space-between; font-size: 12px; color: var(--sana-text-mid); }
.sana-campaign-tag { display: inline-block; margin-top: 6px; background: var(--sana-green-pale); color: var(--sana-green-dark); border-radius: 12px; padding: 2px 10px; font-size: 11px; font-weight: 600; }

/* ── Recent donors ───────────────────────────────────────── */
.sana-donors-list { display: flex; flex-direction: column; gap: 8px; }
.sana-donor-item { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--sana-border); }
.sana-donor-item:last-child { border-bottom: none; }
.sana-donor-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--sana-green-pale); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; color: var(--sana-green-dark); flex-shrink: 0; }
.sana-donor-info { flex: 1; min-width: 0; }
.sana-donor-name { font-size: 14px; font-weight: 600; color: var(--sana-text); }
.sana-donor-cause { font-size: 12px; color: var(--sana-text-mid); }
.sana-donor-tier { font-size: 12px; color: var(--sana-green); font-style: italic; white-space: nowrap; text-align: right; }

/* ── Trust card ──────────────────────────────────────────── */
.sana-trust-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.sana-trust-list li { font-size: 14px; color: var(--sana-text-mid); line-height: 1.5; }
.sana-trust-list li strong { color: var(--sana-text); }

/* ── Modal ───────────────────────────────────────────────── */
.sana-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 9998; }
.sana-modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%,-50%);
  background: var(--sana-white); border-radius: 16px; padding: 40px 36px;
  z-index: 9999; max-width: 440px; width: calc(100% - 32px);
  text-align: center; box-shadow: var(--sana-shadow-lg);
}
.sana-modal__icon { font-size: 52px; margin-bottom: 16px; display: block; }
.sana-modal h2 { font-size: 26px; color: var(--sana-green-dark); margin-bottom: 10px; }
.sana-modal p { color: var(--sana-text-mid); line-height: 1.6; margin-bottom: 16px; }
.sana-modal__ref { background: var(--sana-green-pale); border-radius: 8px; padding: 10px 16px; font-size: 15px; font-weight: 700; color: var(--sana-green-dark); margin-bottom: 20px; word-break: break-all; }
.sana-btn-secondary { background: transparent; border: 2px solid var(--sana-green); color: var(--sana-green); padding: 10px 28px; border-radius: 8px; font-size: 15px; font-weight: 600; cursor: pointer; transition: all .2s; }
.sana-btn-secondary:hover { background: var(--sana-green); color: #fff; }
.sana-loading { color: var(--sana-text-mid); font-size: 14px; }

/* ── Impact Dashboard ────────────────────────────────────── */
.sana-kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px,1fr)); gap: 18px; margin: 28px 0; }
.sana-kpi-card {
  background: var(--sana-white); border: 1px solid var(--sana-border);
  border-radius: var(--sana-radius); padding: 24px 20px; text-align: center;
  box-shadow: var(--sana-shadow); transition: transform .2s;
}
.sana-kpi-card:hover { transform: translateY(-3px); }
.sana-kpi-card--primary { background: linear-gradient(135deg, var(--sana-green-dark), var(--sana-green)); color: #fff; border-color: transparent; }
.sana-kpi__icon { font-size: 30px; margin-bottom: 8px; display: block; }
.sana-kpi__value { font-size: 28px; font-weight: 800; color: var(--sana-green); line-height: 1; margin-bottom: 6px; }
.sana-kpi-card--primary .sana-kpi__value { color: #fff; }
.sana-kpi__label { font-size: 12px; color: var(--sana-text-mid); text-transform: uppercase; letter-spacing: .5px; }
.sana-kpi-card--primary .sana-kpi__label { color: #c8e6c9; }

/* ── Big progress ────────────────────────────────────────── */
.sana-progress-card { margin-bottom: 24px; }
.sana-big-progress__bar { background: #e9f3eb; border-radius: 20px; height: 36px; overflow: hidden; margin-bottom: 10px; }
.sana-big-progress__fill { height: 100%; background: linear-gradient(90deg, var(--sana-green-dark), var(--sana-green-mid)); border-radius: 20px; transition: width 1.5s ease; display: flex; align-items: center; justify-content: flex-end; padding-right: 12px; min-width: 48px; }
.sana-big-progress__fill span { color: #fff; font-size: 13px; font-weight: 700; }
.sana-big-progress__meta { display: flex; justify-content: space-between; font-size: 14px; color: var(--sana-text-mid); }

/* ── Impact grid ─────────────────────────────────────────── */
.sana-impact-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; margin-bottom: 24px; }
@media (max-width: 800px) { .sana-impact-grid { grid-template-columns: 1fr; } }
.sana-chart-card canvas { max-height: 250px; }

/* ── Campaign breakdown ──────────────────────────────────── */
.sana-breakdown-item { margin-bottom: 18px; }
.sana-breakdown-item:last-child { margin-bottom: 0; }
.sana-breakdown-header { display: flex; justify-content: space-between; font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.sana-breakdown-bar-wrap { background: #e9f3eb; border-radius: 8px; height: 10px; overflow: hidden; }
.sana-breakdown-fill { height: 100%; background: var(--sana-green); border-radius: 8px; transition: width .8s ease; }

/* ── Milestones ──────────────────────────────────────────── */
.sana-milestones-card { overflow-x: auto; }
.sana-milestones { display: flex; gap: 0; }
.sana-milestone {
  flex: 1; min-width: 160px; padding: 20px 18px;
  border-right: 2px solid var(--sana-border);
  position: relative; text-align: center;
}
.sana-milestone:last-child { border-right: none; }
.sana-milestone::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--sana-green-light); }
.sana-milestone__year { font-size: 22px; font-weight: 800; color: var(--sana-green); margin-bottom: 8px; }
.sana-milestone__detail { font-size: 13px; color: var(--sana-text); line-height: 1.5; margin-bottom: 6px; }
.sana-milestone__cost { font-size: 12px; color: var(--sana-text-mid); font-style: italic; }

/* ── Donor wall ──────────────────────────────────────────── */
.sana-wall-card { }
.sana-donor-wall { display: flex; flex-wrap: wrap; gap: 12px; }
.sana-wall-chip {
  background: var(--sana-green-pale); border: 1px solid var(--sana-green-light);
  border-radius: 24px; padding: 8px 16px; display: flex; align-items: center; gap: 8px;
  font-size: 13px;
}
.sana-wall-chip__avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--sana-green); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }
.sana-wall-chip__name { font-weight: 600; color: var(--sana-green-dark); }
.sana-wall-chip__amount { color: var(--sana-text-mid); }

/* ── CTA banner ──────────────────────────────────────────── */
.sana-cta-banner {
  background: linear-gradient(135deg, var(--sana-green-dark), var(--sana-green));
  border-radius: var(--sana-radius); padding: 48px 40px; text-align: center;
  margin-top: 32px;
}
.sana-cta__inner h2 { color: #fff; font-size: 28px; margin-bottom: 12px; }
.sana-cta__inner p { color: #c8e6c9; font-size: 16px; margin-bottom: 28px; }
.sana-btn-cta {
  display: inline-block; background: #fff; color: var(--sana-green-dark);
  padding: 14px 36px; border-radius: 8px; font-size: 16px; font-weight: 700;
  text-decoration: none; transition: all .2s;
  box-shadow: 0 4px 15px rgba(0,0,0,.2);
}
.sana-btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,.3); color: var(--sana-green-dark); }

/* ── Responsive tweaks ───────────────────────────────────── */
@media (max-width: 640px) {
  .sana-hero { padding: 36px 20px; }
  .sana-card { padding: 20px 18px; }
  .sana-statsbar { display: grid; grid-template-columns: 1fr 1fr; }
  .sana-statsbar__item { border-right: 1px solid rgba(255,255,255,.1); border-bottom: 1px solid rgba(255,255,255,.1); }
  .sana-milestones { flex-direction: column; }
  .sana-milestone { border-right: none; border-bottom: 2px solid var(--sana-border); }
}