/* PDP Facturation — Design system responsive */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-primary: #0d9488;
  --color-primary-hover: #0f766e;
  --color-primary-light: #ccfbf1;
  --color-success: #059669;
  --color-success-bg: #d1fae5;
  --color-danger: #dc2626;
  --color-danger-bg: #fee2e2;
  --color-warning-bg: #fef3c7;
  --color-neutral-bg: #f1f5f9;
  --color-header-bg: #0f172a;
  --color-header-text: #f8fafc;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --space: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --max-width: 1200px;
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}

/* Layout */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg);
}

@media (min-width: 768px) {
  .container { padding: var(--space-xl); }
}

/* Header / Nav */
.app-header {
  background: var(--color-header-bg);
  color: var(--color-header-text);
  padding: var(--space) var(--space-lg);
  box-shadow: var(--shadow-md);
}

.app-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space);
  padding-top: var(--space);
  padding-bottom: var(--space);
}

.app-header .brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.app-header .brand a {
  color: inherit;
  text-decoration: none;
}

.app-header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1rem;
}

.app-header nav a {
  color: rgba(248, 250, 252, 0.9);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}

.app-header nav a:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.app-header nav a.logout {
  color: #fca5a5;
}

.app-header nav a.logout:hover {
  background: rgba(220, 38, 38, 0.2);
  color: #fecaca;
}

/* Main */
main {
  flex: 1;
}

/* Typography */
h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 var(--space-lg);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

@media (min-width: 768px) {
  h1 { font-size: 2rem; }
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--space-xl) 0 var(--space);
  color: var(--color-text);
}

h2:first-of-type { margin-top: 0; }

h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: var(--space-lg) 0 var(--space);
}

p {
  margin: 0 0 var(--space);
  color: var(--color-text-muted);
}

/* Cards */
.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.card--centered {
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.25rem;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  text-decoration: none;
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

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

.btn--secondary {
  background: var(--color-neutral-bg);
  color: var(--color-text);
}

.btn--secondary:hover {
  background: var(--color-border);
}

.btn--block {
  width: 100%;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 500;
  color: var(--color-text);
  font-size: 0.9rem;
}

input[type="text"],
input[type="password"],
input[type="file"],
select {
  width: 100%;
  padding: 0.6rem 0.85rem;
  font-family: var(--font);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

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

/* File input styling */
input[type="file"] {
  padding: 0.5rem;
  font-size: 0.9rem;
}

/* Alerts / Anomalies */
.alert {
  padding: var(--space) var(--space-lg);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-lg);
}

.alert--danger {
  background: var(--color-danger-bg);
  color: #991b1b;
}

.alert--danger ul {
  margin: 0.5rem 0 0 1.2rem;
  padding: 0;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 999px;
  letter-spacing: 0.01em;
}

.badge--success {
  background: var(--color-success-bg);
  color: #065f46;
}

.badge--danger {
  background: var(--color-danger-bg);
  color: #991b1b;
}

.badge--neutral {
  background: var(--color-neutral-bg);
  color: var(--color-text-muted);
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin-bottom: var(--space-lg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--color-surface);
}

table {
  width: 100%;
  min-width: 500px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background: var(--color-neutral-bg);
  font-weight: 600;
  color: var(--color-text);
}

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

tr:hover td { background: #fafafa; }

/* Pre / Debug */
pre, .pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: var(--space-lg);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Links in content */
.content-links a {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
}

.content-links a:hover {
  text-decoration: underline;
}

/* Login page specific */
.page--login {
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.page--login .card {
  width: 100%;
  max-width: 380px;
}

/* Inline form (add status) */
.form-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space);
  margin-top: var(--space-lg);
}

.form-inline .form-group {
  margin-bottom: 0;
  flex: 1;
  min-width: 120px;
}

.form-inline .form-group label {
  margin-bottom: 0.25rem;
}

.form-inline .btn {
  flex-shrink: 0;
}

/* Lifecycle box */
.lifecycle-box {
  background: var(--color-neutral-bg);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin-top: var(--space);
}

/* Section title in content */
.section-title {
  margin-top: var(--space-xl);
  margin-bottom: var(--space);
  font-size: 1.1rem;
  font-weight: 600;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-text-muted);
}

.empty-state p { margin-bottom: var(--space); }

/* Action bar (links under content) */
.action-bar {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space);
}

.action-bar a {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
}

.action-bar a:hover {
  text-decoration: underline;
}

/* Footer */
.app-footer {
  background: var(--color-header-bg);
  color: var(--color-header-text);
  padding: var(--space) var(--space-lg);
  margin-top: auto;
  text-align: center;
  font-size: 0.9rem;
}

.app-footer a {
  color: rgba(248, 250, 252, 0.9);
  text-decoration: none;
}

/* Responsive: mobile nav */
@media (max-width: 600px) {
  .app-header .container {
    flex-direction: column;
    align-items: stretch;
  }

  .app-header nav {
    flex-direction: column;
    align-items: stretch;
  }

  .app-header nav a {
    display: block;
    text-align: center;
    padding: 0.5rem;
  }

  .form-inline {
    flex-direction: column;
    align-items: stretch;
  }

  .form-inline .form-group { min-width: 100%; }

  th, td {
    padding: 0.5rem 0.65rem;
    font-size: 0.85rem;
  }
}