/* =====================================================
   Encodify v2.0 - Modern Persian Encryption UI
   ===================================================== */

:root {
  --bg-primary: #0a0f1a;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --bg-input: rgba(255, 255, 255, 0.03);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --text-primary: #f0f4fc;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  --accent: #6ea8fe;
  --accent-hover: #8bb9ff;
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #f87171;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
}

body {
  font-family: Vazirmatn, system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  line-height: 1.6;
}

/* Container */
.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

/* Header */
.head {
  text-align: center;
  margin-bottom: 32px;
}

h1 {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent) 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  color: var(--text-secondary);
  margin: 14px auto 0;
  font-size: 14px;
  line-height: 1.8;
  max-width: 500px;
}

/* Badges */
.badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 20px;
}

.badge {
  font-size: 11px;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  padding: 6px 14px;
  border-radius: 999px;
  transition: all 0.2s;
}

.badge:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* Card Container */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 16px 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Labels */
label {
  display: block;
  font-weight: 500;
  font-size: 13px;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

/* Inputs & Textareas */
textarea,
input[type="text"],
input[type="password"],
input:not([type]) {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: all 0.2s;
}

textarea {
  min-height: 110px;
  resize: vertical;
  line-height: 1.8;
}

textarea:focus,
input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(110, 168, 254, 0.12);
}

textarea::placeholder,
input::placeholder {
  color: var(--text-muted);
}

/* Select */
select {
  width: 100%;
  padding: 11px 14px;
  padding-left: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: left 12px center;
  background-size: 14px;
  transition: all 0.2s;
}

select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(110, 168, 254, 0.12);
}

select option {
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 12px;
}

/* Options Grid */
.options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 16px;
}

.option-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.option-item label {
  margin: 0;
  font-size: 12px;
}

.option-item.full-width {
  grid-column: 1 / -1;
}

/* Info Box */
.info-box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  margin-top: 12px;
  line-height: 1.6;
}

.info-box.warning {
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.2);
  color: var(--warning);
}

.info-box.success {
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.2);
  color: var(--success);
}

.info-box.info {
  background: rgba(110, 168, 254, 0.08);
  border: 1px solid rgba(110, 168, 254, 0.2);
  color: var(--accent);
}

/* Carrier Input */
.carrier-group {
  margin-top: 12px;
  display: none;
}

.carrier-group.visible {
  display: block;
}

.carrier-group input {
  margin-top: 4px;
}

.carrier-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Advanced Section */
.advanced-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.advanced-toggle {
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
  user-select: none;
}

.advanced-toggle:hover {
  color: var(--text-primary);
}

.advanced-options {
  display: none;
  margin-top: 16px;
}

.advanced-options.visible {
  display: block;
}

/* Buttons */
.buttons {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  margin-bottom: 24px;
}

button {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 500;
  font-size: 13px;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s;
  white-space: nowrap;
}

button:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-hover);
}

button:active {
  transform: scale(0.98);
}

button.primary {
  background: var(--accent);
  color: #071427;
  border: none;
  flex: 1;
}

button.primary:hover {
  background: var(--accent-hover);
}

button.danger {
  background: rgba(248, 113, 113, 0.12);
  border-color: rgba(248, 113, 113, 0.25);
  color: var(--danger);
  flex: 1;
}

button.danger:hover {
  background: rgba(248, 113, 113, 0.18);
}

button.secondary {
  background: transparent;
  color: var(--text-secondary);
}

button.icon-only {
  padding: 10px 12px;
  flex: 0;
}

/* Output Section */
.output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.output-actions {
  display: flex;
  gap: 6px;
}

.output-actions button {
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 500;
}

/* Message */
.msg {
  text-align: center;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  margin-top: 16px;
  white-space: pre-wrap;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.msg:empty {
  display: none;
}

.msg.success {
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.2);
  color: var(--success);
}

.msg.error {
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.2);
  color: var(--danger);
}

.msg.info {
  background: rgba(110, 168, 254, 0.08);
  border: 1px solid rgba(110, 168, 254, 0.2);
  color: var(--accent);
}

/* Footer */
.foot {
  margin-top: 48px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 2;
}

.foot a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.foot a:hover {
  color: var(--accent);
}

/* Responsive */
@media (max-width: 600px) {
  .wrap {
    padding: 20px 16px 40px;
  }
  
  h1 {
    font-size: 26px;
  }
  
  .subtitle {
    font-size: 13px;
  }
  
  .card {
    padding: 18px;
  }
  
  .options-grid {
    grid-template-columns: 1fr;
  }
  
  .buttons {
    grid-template-columns: 1fr 1fr;
  }
  
  .buttons button:last-child {
    grid-column: 1 / -1;
  }
}

/* Hidden utility */
.hidden {
  display: none !important;
}