/*
 * Happy Alvic ERP — Modern theme
 * Uses CSS custom properties for easy theming.
 */

/* --------------------------------------------------------------------------- */
/* Variables                                                                   */
/* --------------------------------------------------------------------------- */
:root {
  /* Brand */
  --color-primary: #0d7377;
  --color-primary-hover: #0a5c5f;
  --color-primary-light: #e8f6f6;
  --color-accent: #32e0c4;

  /* Neutrals */
  --color-bg: #f8fafb;
  --color-bg-card: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-inverse: #ffffff;

  /* Semantic */
  --color-success: #059669;
  --color-success-bg: #ecfdf5;
  --color-warning: #d97706;
  --color-warning-bg: #fffbeb;
  --color-error: #dc2626;
  --color-error-bg: #fef2f2;

  /* Layout */
  --header-height: 56px;
  --footer-height: 48px;
  --content-max-width: 1200px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition: 0.2s ease;
}

/* --------------------------------------------------------------------------- */
/* Base                                                                        */
/* --------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--color-primary-hover);
}

/* --------------------------------------------------------------------------- */
/* Layout: Header                                                              */
/* --------------------------------------------------------------------------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.app-header__inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}
.app-brand:hover {
  color: var(--color-primary);
}

.app-brand__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-text-inverse);
  font-size: 14px;
  border-radius: var(--radius);
}

.app-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.app-nav__link {
  padding: 8px 14px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}
.app-nav__link:hover {
  color: var(--color-text);
  background: var(--color-bg);
}
.app-nav__link--active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* --------------------------------------------------------------------------- */
/* Layout: Main & Footer                                                       */
/* --------------------------------------------------------------------------- */
.app-main {
  flex: 1;
  max-width: var(--content-max-width);
  width: 100%;
  margin: 0 auto;
  padding: 28px 24px 40px;
}

.app-footer {
  margin-top: auto;
  height: var(--footer-height);
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

.app-footer__inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
}

/* --------------------------------------------------------------------------- */
/* Page structure (views)                                                      */
/* --------------------------------------------------------------------------- */
.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.page-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

/* --------------------------------------------------------------------------- */
/* Dashboard                                                                   */
/* --------------------------------------------------------------------------- */
.dashboard-filters {
  margin-bottom: 24px;
  padding: 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.dashboard-filters__row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 16px;
}

.dashboard-filters__dates {
  margin-bottom: 0;
}

.dashboard-filters__dates input {
  max-width: 160px;
}

.dashboard-filters__presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card__label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.stat-card__value {
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.dashboard-empty {
  color: var(--color-text-muted);
  margin: 24px 0;
}

.dashboard-empty-inline {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* --------------------------------------------------------------------------- */
/* Cards                                                                       */
/* --------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card__header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.card__body {
  padding: 20px;
}

/* --------------------------------------------------------------------------- */
/* Buttons                                                                     */
/* --------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.2;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 2px 8px rgba(13, 115, 119, 0.35);
}

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

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
}
.btn--ghost:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

/* Submit inputs styled as buttons */
input[type="submit"].btn {
  cursor: pointer;
}

/* --------------------------------------------------------------------------- */
/* Tables                                                                      */
/* --------------------------------------------------------------------------- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  box-shadow: var(--shadow);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.table th,
.table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  background: var(--color-bg);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover {
  background: var(--color-bg);
}

.table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.table .actions {
  white-space: nowrap;
}

/* Nested allocation rows */
.table .row-allocation td {
  background: var(--color-primary-light);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding-left: 32px;
}
.table .row-allocation td:first-child {
  border-left: 3px solid var(--color-primary);
}

/* --------------------------------------------------------------------------- */
/* Forms                                                                       */
/* --------------------------------------------------------------------------- */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
  width: 100%;
  max-width: 400px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 115, 119, 0.15);
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.form-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-actions {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Fieldset for line items */
.form-section {
  margin-bottom: 28px;
}

.form-section-title {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

fieldset.form-fieldset {
  margin: 0 0 20px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
}

fieldset.form-fieldset legend {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding: 0 8px;
}

/* --------------------------------------------------------------------------- */
/* Alerts / Errors                                                             */
/* --------------------------------------------------------------------------- */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 0.9375rem;
}

.alert--error {
  background: var(--color-error-bg);
  border: 1px solid #fecaca;
  color: var(--color-error);
}

.alert--error h2 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 600;
}

.alert--error ul {
  margin: 0;
  padding-left: 20px;
}

.alert--success {
  background: var(--color-success-bg);
  border: 1px solid #a7f3d0;
  color: var(--color-success);
}

/* --------------------------------------------------------------------------- */
/* Auth                                                                        */
/* --------------------------------------------------------------------------- */
.auth-page {
  min-height: calc(100vh - var(--header-height) - var(--footer-height) - 68px);
  display: grid;
  place-items: center;
  padding: 28px 0;
}

.auth-card {
  width: 100%;
  max-width: 460px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.auth-card__header {
  padding: 24px 24px 0;
}

.auth-card__eyebrow {
  margin: 0 0 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.auth-card__title {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.auth-card__subtitle {
  margin: 10px 0 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.auth-card__body {
  padding: 18px 24px 24px;
}

.auth-form {
  margin-top: 6px;
}

.auth-form__group input[type="email"],
.auth-form__group input[type="password"] {
  max-width: 100%;
}

.auth-form__actions {
  margin-top: 4px;
}

.auth-form__submit {
  width: 100%;
  min-height: 42px;
}

.auth-card__footer {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.auth-card__link {
  font-size: 0.9rem;
  font-weight: 500;
}

/* --------------------------------------------------------------------------- */
/* Meta / Details (show page)                                                  */
/* --------------------------------------------------------------------------- */
.detail-list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.detail-list li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}

.detail-list li:last-child {
  border-bottom: none;
}

.detail-list strong {
  min-width: 120px;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* --------------------------------------------------------------------------- */
/* Status badge                                                                */
/* --------------------------------------------------------------------------- */
.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-radius: 999px;
}

.badge--draft {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.badge--posted {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.badge--cancelled {
  background: var(--color-error-bg);
  color: var(--color-error);
}

/* --------------------------------------------------------------------------- */
/* Breadcrumb-style links                                                      */
/* --------------------------------------------------------------------------- */
.breadcrumb-links {
  margin-bottom: 20px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.breadcrumb-links a {
  color: var(--color-primary);
}

.breadcrumb-links span {
  margin: 0 6px;
  color: var(--color-border);
}