/* ==========================================================================
   NortysLink — Base Reset, Typography & Shared UI Primitives
   File: css/base.css
   ========================================================================== */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
  color: var(--text-primary);
  background-color: var(--app-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Typography Hierarchy */
h1,
h2,
.font-display {
  font-family: var(--font-display);
  letter-spacing: var(--ls-heading);
  line-height: var(--lh-heading);
  color: var(--text-primary);
  font-weight: 600;
  text-wrap: balance;
}

h1 {
  font-size: var(--text-h1);
  font-weight: 700;
}

h2 {
  font-size: var(--text-h2);
  font-weight: 600;
}

h3,
h4 {
  font-family: var(--font-body);
  font-size: var(--text-h3);
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

a:hover {
  color: var(--primary-hover);
}

/* Technical Data, URLs & Tabular Numbers */
.mono,
.code-id,
.url-text,
.timestamp-mono,
code {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

.code-id {
  font-size: var(--text-cap);
  font-weight: 600;
  color: var(--text-primary);
}

.timestamp-mono {
  font-size: var(--text-cap);
  color: var(--text-secondary);
}

/* Unboxed Metadata Discipline */
.meta-inline {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: var(--text-cap);
  color: var(--text-secondary);
  line-height: 1.4;
}

.meta-sep {
  color: var(--text-muted);
  user-select: none;
}

/* Semantic Status Text (Color + Explicit Label, No Pill Boxes) */
.status-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--text-cap);
  font-weight: 600;
  white-space: nowrap;
}

.status-active {
  color: var(--success-text);
}

.status-warning {
  color: var(--warning-text);
}

.status-danger {
  color: var(--danger-text);
}

.status-neutral {
  color: var(--text-secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: var(--text-ui);
  font-weight: 600;
  line-height: 1;
  padding: 10px 16px;
  min-height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  user-select: none;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out);
}

.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.52;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 1px 2px rgba(36, 107, 253, 0.22);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: var(--surface);
  color: var(--text-primary);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-e1);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--surface-subtle);
  border-color: #B8C2D1;
  color: var(--text-primary);
}

.btn-soft {
  background-color: var(--primary-soft);
  color: var(--primary);
  border-color: transparent;
}

.btn-soft:hover:not(:disabled) {
  background-color: rgba(36, 107, 253, 0.15);
  color: var(--primary-hover);
}

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

.btn-ghost:hover:not(:disabled) {
  background-color: var(--surface-hover);
  color: var(--text-primary);
}

.btn-danger {
  background-color: var(--danger-text);
  color: #FFFFFF;
}

.btn-danger:hover:not(:disabled) {
  background-color: #912018;
  color: #FFFFFF;
}

.btn-outline-danger {
  background-color: var(--surface);
  color: var(--danger-text);
  border-color: var(--danger-border);
}

.btn-outline-danger:hover:not(:disabled) {
  background-color: var(--danger-bg);
}

.btn-lg {
  padding: 12px 22px;
  min-height: 44px;
  font-size: var(--text-body);
  border-radius: var(--radius-sm);
}

.btn-sm {
  padding: 7px 12px;
  min-height: 32px;
  font-size: var(--text-cap);
}

.btn-xs {
  padding: 5px 10px;
  min-height: 28px;
  font-size: var(--text-cap);
  border-radius: var(--radius-xs);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.icon-btn:hover {
  background-color: var(--surface-hover);
  color: var(--text-primary);
}

.icon-btn-danger:hover {
  background-color: var(--danger-bg);
  color: var(--danger-text);
}

.text-action-btn {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-body);
  font-size: var(--text-cap);
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  white-space: nowrap;
}

.text-action-btn:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Forms & Inputs */
.form-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: var(--text-cap);
  font-weight: 600;
  color: var(--text-primary);
}

.form-label .req {
  color: var(--danger-text);
}

.form-hint {
  font-size: var(--text-cap);
  color: var(--text-secondary);
}

.form-error {
  font-size: var(--text-cap);
  font-weight: 500;
  color: var(--danger-text);
  margin-top: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-ui);
  color: var(--text-primary);
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  min-height: 38px;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.form-input.mono,
.form-textarea.mono {
  font-family: var(--font-mono);
  font-size: var(--text-cap);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: #98A2B3;
}

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

.form-textarea {
  min-height: 84px;
  resize: vertical;
  line-height: 1.5;
}

.input-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 240px;
}

.input-search-wrapper svg {
  position: absolute;
  left: 11px;
  color: var(--text-muted);
  pointer-events: none;
}

.input-search-wrapper .form-input {
  padding-left: 34px;
}

/* Inline Alerts */
.inline-alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: var(--text-ui);
  line-height: 1.48;
  margin-bottom: 12px;
}

.inline-alert-error {
  background-color: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-text);
}

.inline-alert-warning {
  background-color: var(--warning-bg);
  border-color: var(--warning-border);
  color: var(--warning-text);
}

.inline-alert-success {
  background-color: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success-text);
}

.inline-alert-info {
  background-color: var(--surface-subtle);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

/* URL Display Helpers */
.url-cell {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
}

.url-truncate {
  font-family: var(--font-mono);
  font-size: var(--text-cap);
  color: var(--text-secondary);
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: inline-block;
  vertical-align: bottom;
}

/* Modals & Confirm Dialogs */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.52);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-normal) var(--ease-out);
}

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

.modal-dialog {
  width: 100%;
  max-width: 600px;
  max-height: calc(100vh - 40px);
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-e4);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(8px) scale(0.99);
  transition: transform var(--dur-normal) var(--ease-out);
}

.modal-backdrop.open .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-dialog.modal-lg {
  max-width: 780px;
}

.modal-dialog.modal-sm {
  max-width: 460px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background-color: var(--surface-subtle);
}

/* Toast Notification Stack */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 380px;
  pointer-events: none;
}

.toast-item {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background-color: #151922;
  color: #FFFFFF;
  box-shadow: var(--shadow-e3);
  font-size: var(--text-ui);
  line-height: 1.4;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.toast-item.toast-success {
  border-color: rgba(16, 185, 129, 0.45);
}

.toast-item.toast-error {
  background-color: #7A271A;
}

.toast-item.toast-warning {
  background-color: #7A2E0E;
}

/* Accessibility & Reduced Motion */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}