/* =====================================================================
   SiskoAI Store — Shared stylesheet
   ===================================================================== */

:root {
  /* SiskoAI Brand Blues */
  --brand-deep:   #0a2a8c;
  --brand-mid:    #1a56d6;
  --brand-bright: #2d7fff;
  --brand-sky:    #5fb3ff;
  --brand-ice:    #b8dcff;
  --brand-white:  #f0f8ff;

  /* Data Center Factory Light Theme */
  --bg:            #f0f5ff;
  --bg2:           #e4eeff;
  --surface:       #ffffff;
  --surface2:      #f7faff;
  --panel-border:  #c5d8f5;
  --panel-shadow:  rgba(26, 86, 214, 0.10);

  /* Accent / Signal Colors */
  --cyan:       #00b8d9;
  --cyan-glow:  rgba(0, 184, 217, 0.18);
  --amber:      #ff8c00;
  --amber-glow: rgba(255, 140, 0, 0.15);
  --green:      #00c48c;
  --green-glow: rgba(0, 196, 140, 0.18);
  --hot:        #e63946;

  /* Text */
  --text-primary: #0a1e4a;
  --text-mid:     #2d5096;
  --text-dim:     #7a99c8;
  --text-mono:    #1a3a6e;

  --radius:    12px;
  --radius-sm: 8px;
  --radius-lg: 18px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-primary);
  background:
    radial-gradient(1200px 600px at 10% -10%, var(--bg2), transparent 60%),
    radial-gradient(1000px 500px at 110% 10%, #dbe7ff, transparent 55%),
    var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

a { color: var(--brand-mid); text-decoration: none; }
a:hover { color: var(--brand-deep); text-decoration: underline; }

/* --- Header ------------------------------------------------------- */
.sisko-header {
  background: linear-gradient(135deg, var(--brand-deep), var(--brand-mid));
  color: var(--brand-white);
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 16px var(--panel-shadow);
}

.sisko-header .brand {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sisko-header .brand-mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand-bright), var(--brand-sky));
  box-shadow: 0 0 18px var(--cyan-glow);
}

.sisko-header nav a {
  color: var(--brand-ice);
  margin-left: 18px;
  font-size: 14px;
  font-weight: 500;
}
.sisko-header nav a:hover { color: #fff; text-decoration: none; }
.sisko-header nav a.active { color: #fff; }

/* --- Layout ------------------------------------------------------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}
.container-narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

h1 { font-size: 26px; margin: 0 0 6px; color: var(--text-primary); }
h2 { font-size: 18px; margin: 0 0 12px; color: var(--text-primary); }
h3 { font-size: 15px; margin: 0 0 10px; color: var(--text-mid); font-weight: 600; }
.subtitle { color: var(--text-dim); font-size: 14px; margin: 0 0 24px; }

/* --- Cards / panels ---------------------------------------------- */
.panel {
  background: var(--surface);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px var(--panel-shadow);
  padding: 22px;
  margin-bottom: 18px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--panel-border);
}

/* --- Stat cards --------------------------------------------------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 2px 12px var(--panel-shadow);
  position: relative;
  overflow: hidden;
}
.stat::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-bright), var(--cyan));
}
.stat .label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.stat .value { font-size: 26px; font-weight: 700; color: var(--text-primary); margin-top: 4px; font-family: "SF Mono", Monaco, monospace; }
.stat .delta { font-size: 12px; color: var(--green); margin-top: 2px; }

/* --- Buttons ------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  font-family: inherit;
  line-height: 1.2;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-mid), var(--brand-bright));
  color: #fff;
  box-shadow: 0 2px 10px rgba(26, 86, 214, 0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(26, 86, 214, 0.4); text-decoration: none; color: #fff; }
.btn-primary:disabled { background: var(--text-dim); cursor: not-allowed; transform: none; box-shadow: none; }

.btn-secondary {
  background: var(--surface);
  color: var(--brand-mid);
  border-color: var(--panel-border);
}
.btn-secondary:hover { background: var(--surface2); border-color: var(--brand-sky); text-decoration: none; }

.btn-ghost { background: transparent; color: var(--text-mid); }
.btn-ghost:hover { background: var(--bg2); text-decoration: none; }

.btn-danger { background: var(--hot); color: #fff; }
.btn-danger:hover { filter: brightness(0.95); color: #fff; text-decoration: none; }

.btn-sm { padding: 6px 12px; font-size: 12px; }

/* --- Forms -------------------------------------------------------- */
.form-row { margin-bottom: 14px; }
.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-mid);
  margin-bottom: 6px;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 14px;
  color: var(--text-primary);
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--brand-bright);
  box-shadow: 0 0 0 3px rgba(45, 127, 255, 0.15);
}
.form-row textarea { resize: vertical; min-height: 80px; }
.form-row .hint { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 600px) {
  .form-grid-2 { grid-template-columns: 1fr; }
}

/* --- Tables ------------------------------------------------------- */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table th, .table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--panel-border);
}
.table th {
  background: var(--surface2);
  color: var(--text-mid);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.table tbody tr:hover { background: var(--surface2); }
.table .mono { font-family: "SF Mono", Monaco, monospace; color: var(--text-mono); font-size: 13px; }
.table .amount { text-align: right; font-family: "SF Mono", Monaco, monospace; font-weight: 600; }
.table .amount.positive { color: var(--green); }
.table .amount.negative { color: var(--hot); }

/* --- Tabs --------------------------------------------------------- */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--panel-border);
  margin-bottom: 20px;
}
.tab {
  padding: 10px 18px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.15s;
  font-family: inherit;
}
.tab:hover { color: var(--text-mid); }
.tab.active { color: var(--brand-mid); border-bottom-color: var(--brand-mid); }

/* --- Badges ------------------------------------------------------- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-success { background: var(--green-glow); color: var(--green); }
.badge-pending { background: var(--amber-glow); color: var(--amber); }
.badge-info    { background: var(--cyan-glow);  color: var(--cyan); }
.badge-danger  { background: rgba(230, 57, 70, 0.15); color: var(--hot); }
.badge-neutral { background: var(--bg2); color: var(--text-mid); }

/* --- Modal -------------------------------------------------------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(10, 30, 74, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(10, 30, 74, 0.3);
}
.modal-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* --- Utility ------------------------------------------------------ */
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-gap { gap: 10px; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.text-dim { color: var(--text-dim); font-size: 13px; }
.text-mid { color: var(--text-mid); }
.mono    { font-family: "SF Mono", Monaco, monospace; }
.hidden  { display: none !important; }

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-dim);
}
.empty-state .icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--bg2);
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  color: var(--brand-mid);
}

/* --- Copy row (for button code / link URL) ----------------------- */
.copy-row {
  display: flex;
  gap: 8px;
  background: var(--surface2);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-family: "SF Mono", Monaco, monospace;
  font-size: 12px;
  color: var(--text-mono);
  align-items: center;
}
.copy-row code {
  flex: 1;
  overflow-x: auto;
  white-space: nowrap;
  padding: 4px 0;
}
.copy-row button { flex-shrink: 0; }

/* --- Toast -------------------------------------------------------- */
.toast-host {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--text-primary);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  box-shadow: 0 8px 30px rgba(10, 30, 74, 0.3);
  animation: slideIn 0.2s ease;
}
.toast.success { background: var(--green); }
.toast.error   { background: var(--hot); }
@keyframes slideIn {
  from { transform: translateX(20px); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* --- Checkout / Payment pages ------------------------------------ */
.checkout-header {
  background: linear-gradient(135deg, var(--brand-deep), var(--brand-mid));
  color: #fff;
  padding: 22px 28px;
  text-align: center;
}
.checkout-header .store-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.checkout-header .store-tagline {
  font-size: 13px;
  opacity: 0.8;
  margin-top: 2px;
}

.order-line {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
}
.order-line.total {
  border-top: 1px solid var(--panel-border);
  margin-top: 8px;
  padding-top: 14px;
  font-weight: 700;
  font-size: 16px;
}

/* --- Sisko Pay button (what users embed externally) -------------- */
.sisko-pay-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: linear-gradient(135deg, #1a56d6, #2d7fff);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(26, 86, 214, 0.3);
  text-decoration: none;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}
.sisko-pay-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(26, 86, 214, 0.4); color: #fff; text-decoration: none; }
.sisko-pay-btn::before {
  content: '';
  width: 18px; height: 18px;
  border-radius: 5px;
  background: linear-gradient(135deg, #5fb3ff, #b8dcff);
  flex-shrink: 0;
}