/* Design System & Variables */
:root {
  --bg-color: #0f172a;
  --panel-bg: #1e293b;
  --accent-primary: #ec4899;
  --accent-secondary: #8b5cf6;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --border-color: #334155;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  min-height: 100-vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.container {
  max-width: 900px;
  width: 100%;
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Header */
header {
  margin-bottom: 2.5rem;
  text-align: center;
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  letter-spacing: -0.025em;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Grid Layout */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.input-wrapper {
  position: relative;
}

input {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s ease-in-out;
}

input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(236, 72, 153, 0.2);
}

/* Generated Link Cards */
.output-card {
  background: rgba(15, 23, 42, 0.4);
  border: 1px dashed var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.url-box {
  display: flex;
  gap: 0.5rem;
}

.url-text {
  flex: 1;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-family: monospace;
  font-size: 0.875rem;
  color: var(--accent-secondary);
  overflow-x: auto;
  white-space: nowrap;
  user-select: all;
}

/* Buttons */
.btn {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn:hover {
  opacity: 0.9;
}

.btn-secondary {
  background: var(--border-color);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: #475569;
}

.btn-icon {
  font-size: 1.1rem;
}

/* Console Section */
.console-section {
  grid-column: 1 / -1;
  margin-top: 1rem;
}

.console {
  background-color: #020617;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.5rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.875rem;
  color: #38bdf8;
  height: 250px;
  overflow-y: auto;
}

.console-line {
  margin-bottom: 0.5rem;
  line-height: 1.4;
  white-space: pre-wrap;
}

.console-line.info {
  color: var(--text-secondary);
}

.console-line.success {
  color: var(--success);
}

.console-line.error {
  color: var(--error);
}

.console-line.cmd {
  color: var(--accent-primary);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--panel-bg);
  border-left: 4px solid var(--accent-primary);
  padding: 1rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(1rem);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

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

.toast-success {
  border-left-color: var(--success);
}

.toast-error {
  border-left-color: var(--error);
}

/* Modal Box */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(2, 6, 17, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  z-index: 1000;
  transition: opacity 0.3s ease;
}

.modal-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  max-width: 600px;
  width: 90%;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  transform: scale(0.9);
  transition: transform 0.3s ease;
  position: relative;
}

.modal-backdrop.show .modal-box {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-body code {
  background-color: var(--bg-color);
  color: #38bdf8;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: monospace;
}

.modal-body pre {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
}

.modal-body pre code {
  background: none;
  color: #38bdf8;
  padding: 0;
  font-family: 'Fira Code', monospace;
}