:root {
  --bg: #0b0c10;
  --card: #111419;
  --text: #e8eef2;
  --muted: #9fb3c8;
  --border: #1f2630;
  --accent: #3a6ff8;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.container {
  max-width: 720px;
  margin: 40px auto;
  padding: 0 16px;
  display: grid;
  gap: 16px;
}

h1 {
  margin: 0 0 8px;
  font-size: 22px;
}

h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: grid;
  gap: 10px;
}

label {
  font-size: 14px;
  color: var(--muted);
}

input[type="email"],
input[type="text"],
input[type="file"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #243040;
  background: #0a0e14;
  color: var(--text);
  outline: none;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(58, 111, 248, 0.15);
}

.btn {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid #3553ff33;
  background: linear-gradient(135deg, #2a3cff, #6a8bff);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.hint {
  font-size: 12px;
  color: var(--muted);
}

.flash {
  border-radius: 10px;
  padding: 10px;
  font-size: 14px;
  border: 1px solid #274732;
  background: #0f2014;
  color: #b9f6c2;
}

.pending {
  font-size: 13px;
  color: var(--muted);
}

/* Toasts */
#toasts {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: grid;
  gap: 10px;
  z-index: 9999;
}

.toast {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .2s ease, transform .2s ease;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #3b4352;
  background: #1b2330;
  color: #fff;
  font-size: 14px;
  box-shadow: 0 8px 18px rgba(0, 0, 0, .25);
  max-width: 380px;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.success {
  background: #175f2b;
  border-color: #1f7a38;
}

.toast.error {
  background: #6a1b1b;
  border-color: #8a2323;
}

.toast.info {
  background: #1b2a6a;
  border-color: #23378a;
}

#form-confirm input[type="text"] {
  margin-top: 14px !important;
  margin-bottom: 14px !important;
}

#form-confirm .btn {
  margin-top: 4px;
}

/* ----- Stepper ----- */
.stepper {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 16px 0 24px;
}

.step {
  display: flex;
  align-items: center;
  gap: 10px;
}

.step .circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border);
  color: var(--muted);
  background: var(--bg);
  font-weight: 700;
  transition: all .2s ease;
}

.step .label {
  font-weight: 600;
  color: var(--text);
  opacity: .9;
  font-size: 14px;
}

.step--active .circle {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 0 3px rgba(58, 111, 248, 0.15);
}

.step--done .circle {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.stepper .spacer {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, #1a202a, #232c3a);
  border-radius: 2px;
}

/* ----- Tabs / preview area ----- */
.tabs {
  margin-top: 8px;
}

.btn[disabled] {
  opacity: .5;
  cursor: not-allowed;
}

#previewHolder {
  height: 70vh;
  border: 1px dashed var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: #0a0e14;
}

.actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  align-items: center;
}