/* Components, buttons, inputs, glass, toast, modal, spinner */

/* Glass surface */
.glass {
  background: var(--surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

/* Buttons */
.btn {
  --btn-bg: var(--cyan);
  --btn-fg: #04211f;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: var(--fs-400);
  line-height: 1;
  padding: 0.7rem 1.3rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.18s var(--ease), background 0.2s var(--ease),
    box-shadow 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  box-shadow: 0 10px 26px -10px hsl(180 66% 49% / 0.7);
}

.btn-primary:hover {
  background: var(--cyan-strong);
}

.btn-lg {
  padding: 0.95rem 1.8rem;
  font-size: var(--fs-500);
}

.btn-ghost {
  --btn-bg: transparent;
  --btn-fg: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: var(--cyan-soft);
  border-color: var(--cyan);
  color: var(--text);
}

.btn-ghost.danger:hover {
  background: hsl(0 87% 67% / 0.14);
  border-color: var(--red);
  color: var(--red-text);
}

.btn[disabled],
.btn[aria-busy="true"] {
  opacity: 0.7;
  cursor: progress;
  pointer-events: none;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: 0;
  color: var(--text-muted);
  font-weight: 600;
  font-size: var(--fs-300);
  cursor: pointer;
  padding: 0.35rem 0;
  transition: color 0.2s var(--ease);
}

.link-btn:hover {
  color: var(--cyan-text);
}

.link-btn[aria-expanded="true"] svg {
  transform: rotate(90deg);
}

.link-btn svg {
  transition: transform 0.3s var(--ease);
}

/* Inputs */
input[type="url"],
input[type="text"],
input[type="password"],
input[type="number"],
input[type="search"],
textarea,
.select {
  width: 100%;
  background: var(--surface-solid);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.95rem;
  color: var(--text);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

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

input:focus,
textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--focus-ring);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

input.is-valid {
  border-color: var(--green);
}

input.is-invalid {
  border-color: var(--red);
}

.field label {
  display: block;
  font-size: var(--fs-300);
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
}

.field-hint {
  min-height: 1.1em;
  font-size: var(--fs-300);
  margin-top: 0.35rem;
  color: var(--red-text);
}

.field-hint.ok {
  color: var(--green-text);
}

.prefixed-input {
  display: flex;
  align-items: stretch;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--surface-solid);
}

.prefixed-input:focus-within {
  border-color: var(--focus-ring);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.prefixed-input .prefix {
  display: flex;
  align-items: center;
  padding: 0 0.7rem;
  background: var(--cyan-soft);
  color: var(--cyan-text);
  font-size: var(--fs-300);
  font-weight: 600;
  white-space: nowrap;
}

.prefixed-input input {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%239b94ad' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  padding-right: 2.2rem;
  cursor: pointer;
}

/* darker arrow so it stays visible on the light theme's white select */
[data-theme="light"] .select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23555' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
}

/* Toggle switch */
.switch {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
  font-size: var(--fs-300);
  font-weight: 600;
  color: var(--text-muted);
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.switch-track {
  width: 42px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: var(--border-strong);
  position: relative;
  transition: background 0.25s var(--ease);
  flex: none;
}

.switch-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.25s var(--ease);
}

.switch input:checked + .switch-track {
  background: var(--cyan);
}

.switch input:checked + .switch-track .switch-thumb {
  transform: translateX(18px);
}

.switch input:focus-visible + .switch-track {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Theme toggle */
.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.theme-toggle:hover {
  color: var(--cyan-text);
  transform: rotate(15deg);
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

/* Spinner */
.spinner {
  width: 1.1em;
  height: 1.1em;
  border: 2.5px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  display: none;
  animation: spin 0.7s linear infinite;
}

.spinner.big {
  width: 2rem;
  height: 2rem;
  border-width: 3px;
  display: inline-block;
  color: var(--cyan-text);
}

.btn[aria-busy="true"] .spinner {
  display: inline-block;
}

.btn[aria-busy="true"] .btn-label {
  opacity: 0.6;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Toasts */
.toast-region {
  position: fixed;
  bottom: 1.2rem;
  right: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  z-index: 300;
  max-width: min(92vw, 360px);
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-left: 4px solid var(--cyan);
  box-shadow: var(--shadow);
  font-size: var(--fs-300);
  animation: toast-in 0.3s var(--ease);
}

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

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

.toast.leaving {
  animation: toast-out 0.3s var(--ease) forwards;
}


@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
}

@keyframes toast-out {
  to {
    opacity: 0;
    transform: translateX(40px);
  }
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 250;
  display: grid;
  place-items: center;
  padding: 1.2rem;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: hsl(260 40% 4% / 0.6);
  backdrop-filter: blur(3px);
  animation: fade 0.25s var(--ease);
}

.modal-card {
  position: relative;
  width: min(100%, 420px);
  max-height: calc(100svh - 2.4rem);
  overflow-y: auto;
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  text-align: center;
  animation: pop 0.3s var(--ease);
}

.modal-card.wide {
  width: min(100%, 540px);
  text-align: left;
}

.modal-close {
  position: absolute;
  top: 0.7rem;
  right: 0.9rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 0;
  background: var(--cyan-soft);
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.modal-close:hover {
  background: var(--cyan);
  color: #04211f;
}

.modal-title {
  font-size: var(--fs-600);
}

.modal-sub {
  color: var(--text-muted);
  font-size: var(--fs-300);
  margin: 0.3rem 0 1.2rem;
  word-break: break-all;
}

@keyframes fade {
  from {
    opacity: 0;
  }
}

@keyframes pop {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(10px);
  }
}

/* Modal content: QR + stats */
.qr-holder {
  display: grid;
  place-items: center;
  margin: 0.5rem 0 1.3rem;
}

.qr-holder canvas {
  border-radius: 12px;
  background: #fff;
  padding: 8px;
  box-shadow: var(--shadow);
  height: auto; /* keep the QR square when width clamps on very narrow screens */
}

.stats-loading {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-muted);
  padding: 1rem 0;
}

.stats-empty {
  color: var(--text-muted);
  padding: 1rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.8rem;
  margin-bottom: 1.3rem;
}

.stat-tile {
  background: var(--cyan-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 0.6rem;
  text-align: center;
}

.stat-tile-num {
  display: block;
  font-size: var(--fs-600);
  font-weight: 800;
  color: var(--cyan-text);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat-tile-label {
  font-size: var(--fs-300);
  color: var(--text-muted);
}

/* analytics breakdown bars */
.bd {
  margin-bottom: 1.1rem;
}

.bd-title {
  font-size: var(--fs-400);
  margin-bottom: 0.5rem;
}

.bd-empty {
  font-size: var(--fs-300);
  color: var(--text-faint);
}

.bd-row {
  display: grid;
  grid-template-columns: 6.5rem 1fr 2.5rem;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
  font-size: var(--fs-300);
}

.bd-label {
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bd-track {
  height: 10px;
  border-radius: var(--radius-pill);
  background: var(--cyan-soft);
  overflow: hidden;
}

.bd-fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background: var(--cyan);
  transition: width 0.5s var(--ease);
}

.bd-val {
  font-weight: 600;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.stats-last {
  font-size: var(--fs-300);
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.stats-foot {
  margin-top: 1rem;
  font-size: var(--fs-300);
  color: var(--text-faint);
  font-style: italic;
}