/* ═══════════════════════════════════════════════════════════════════
   Blue Penguin Digital — Client Portal Theme
   v3 design tokens. Standalone CSS — no Tailwind dependency.
   ═══════════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties (v3 tokens) ──────────────── */
:root {
  --color-page: #FAFBFC;
  --color-card: #FFFFFF;
  --color-body: #1A1A2E;
  --color-navy: #0B1120;
  --color-slate: #151E32;
  --color-permafrost: #F0F4F8;
  --color-ice: #B8D4E3;
  --color-mist: #94A3B8;
  --color-orange: #CE4C11;
  --color-orange-hover: #DA5919;
  --color-green: #16A34A;
  --color-green-bg: #F0FDF4;
  --color-red: #DC2626;
  --color-red-bg: #FEF2F2;
  --color-blue: #2563EB;
  --color-blue-bg: #EFF6FF;
  --color-yellow: #CA8A04;
  --color-yellow-bg: #FEFCE8;
  --color-grey: #64748B;
  --color-grey-bg: #F8FAFC;

  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Manrope', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-card: 0 1px 3px rgba(11 17 32 / 0.06), 0 4px 12px rgba(11 17 32 / 0.04);
  --radius: 8px;
}

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

html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  background: var(--color-page);
  color: var(--color-body);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--color-orange); text-decoration: none; }
a:hover { color: var(--color-orange-hover); text-decoration: underline; }


/* ── Layout ────────────────────────────────────────── */
.portal-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "header header"
    "sidebar main"
    "footer footer";
  min-height: 100vh;
}

/* ── Header ────────────────────────────────────────── */
.portal-header {
  grid-area: header;
  background: var(--color-navy);
  color: #fff;
  display: grid;
  grid-template-columns: 260px 1fr auto;
  align-items: center;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.portal-header-left {
  display: flex;
  align-items: center;
  padding-left: 2rem;
}

.portal-header-client {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 2rem;
  border-left: 1px solid rgba(255,255,255,0.2);
}

.portal-header-client-name {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: #e5e7eb;
}

.portal-header-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
}

.portal-header-brand img {
  display: block;
}

.portal-header-brand-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  color: #fff;
  white-space: nowrap;
}

@media (min-width: 640px) {
  .portal-header-brand-text {
    font-size: 1.125rem;
  }
}

.portal-header-client-logo {
  height: 28px;
  width: auto;
}

.portal-header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  padding-right: 2rem;
}

.portal-header-right .user-email {
  color: var(--color-mist);
}

.portal-header-right .logout-link {
  color: var(--color-ice);
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 100px;
  transition: background 0.15s, color 0.15s;
}
.portal-header-right .logout-link:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
  text-decoration: none;
}

/* ── Sidebar ───────────────────────────────────────── */
.portal-sidebar {
  grid-area: sidebar;
  background: var(--color-card);
  border-right: 1px solid #E2E8F0;
  padding: 2rem 0;
  display: flex;
  flex-direction: column;
}

.portal-nav {
  list-style: none;
  padding: 0;
}

.portal-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 2rem;
  color: var(--color-mist);
  font-weight: 500;
  font-size: 0.9375rem;
  border-left: 3px solid transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
  text-decoration: none;
}

.portal-nav a:hover,
.portal-nav a.active {
  color: var(--color-orange);
  background: rgba(206, 76, 17, 0.04);
  border-left-color: var(--color-orange);
}

.portal-nav-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.portal-nav-icon svg {
  width: 20px;
  height: 20px;
}

/* ── Main Content ──────────────────────────────────── */
.portal-main {
  grid-area: main;
  padding: clamp(1.5rem, 4vw, 3rem);
  max-width: 1100px;
  width: 100%;
}

.portal-main h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.portal-main .subtitle {
  color: var(--color-mist);
  font-size: 0.9375rem;
  margin-bottom: 2rem;
}

/* ── Cards ─────────────────────────────────────────── */
.portal-card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 1.5rem 2rem;
  margin-bottom: 1.5rem;
}

.portal-card h2 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.portal-card p {
  color: var(--color-mist);
  font-size: 0.9375rem;
}

/* ── Stats Grid ────────────────────────────────────── */
.portal-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 1.25rem 1.5rem;
  text-align: center;
}

.stat-card .stat-number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2rem;
  color: var(--color-orange);
  line-height: 1.1;
}

.stat-card .stat-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-mist);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-card .stat-icon {
  flex-shrink: 0;
  opacity: 0.55;
}

/* ── Tables ────────────────────────────────────────── */
.portal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.portal-table thead {
  border-bottom: 2px solid #E2E8F0;
}

.portal-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--color-mist);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.portal-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid #F1F5F9;
}

.portal-table tbody tr:hover {
  background: rgba(206, 76, 17, 0.02);
}

.portal-table a {
  font-weight: 500;
}

/* ── Status Badges ─────────────────────────────────── */
.portal-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.portal-badge-paid, .portal-badge-active, .portal-badge-signed, .portal-badge-completed {
  background: var(--color-green-bg);
  color: var(--color-green);
}
.portal-badge-sent, .portal-badge-in_progress, .portal-badge-pending, .portal-badge-converted {
  background: var(--color-blue-bg);
  color: var(--color-blue);
}
.portal-badge-overdue, .portal-badge-expired, .portal-badge-rejected, .portal-badge-cancelled, .portal-badge-churned {
  background: var(--color-red-bg);
  color: var(--color-red);
}
.portal-badge-draft, .portal-badge-expiring_soon {
  background: var(--color-yellow-bg);
  color: var(--color-yellow);
}

/* ── Buttons ───────────────────────────────────────── */
.portal-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  text-decoration: none;
}

.portal-btn:active { transform: translateY(1px); }

.portal-btn-primary {
  background: var(--color-orange);
  color: #fff;
}
.portal-btn-primary:hover {
  background: var(--color-orange-hover);
  text-decoration: none;
  color: #fff;
}

.portal-btn-secondary {
  background: transparent;
  color: var(--color-orange);
  border: 1.5px solid var(--color-orange);
}
.portal-btn-secondary:hover {
  background: rgba(206, 76, 17, 0.06);
  text-decoration: none;
}

.portal-btn-ghost {
  background: transparent;
  color: var(--color-mist);
  padding: 0.5rem 0.75rem;
}
.portal-btn-ghost:hover {
  background: var(--color-grey-bg);
  color: var(--color-body);
  text-decoration: none;
}

.portal-btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

/* ── Forms ─────────────────────────────────────────── */
.portal-form-group {
  margin-bottom: 1.25rem;
}

.portal-form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.375rem;
  color: var(--color-body);
}

.portal-input,
.portal-textarea,
.portal-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  border: 1.5px solid #E2E8F0;
  border-radius: var(--radius);
  background: var(--color-card);
  color: var(--color-body);
  transition: border-color 0.15s, box-shadow 0.15s;
  min-height: 44px; /* Touch target */
}

.portal-input:focus,
.portal-textarea:focus,
.portal-select:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(206, 76, 17, 0.1);
}

.portal-textarea {
  min-height: 120px;
  resize: vertical;
}

.portal-input-error {
  border-color: var(--color-red) !important;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.08) !important;
}

.portal-field-error {
  color: var(--color-red);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

/* ── Alerts ────────────────────────────────────────── */
.portal-alert {
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

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

.portal-alert-success {
  background: var(--color-green-bg);
  color: var(--color-green);
  border: 1px solid #BBF7D0;
}

.portal-alert-info {
  background: var(--color-blue-bg);
  color: var(--color-blue);
  border: 1px solid #BFDBFE;
}

/* ── Info Box ──────────────────────────────────────── */
.portal-info-box {
  background: var(--color-yellow-bg);
  border: 1px solid #FDE68A;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  color: var(--color-yellow);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.portal-info-box strong {
  color: #854D0E;
}

/* ── Login Page ────────────────────────────────────── */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--color-navy);
}

.login-card {
  background: var(--color-card);
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
}

.login-logo {
  display: block;
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
}

.login-card h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

.login-card .login-subtitle {
  text-align: center;
  color: var(--color-mist);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.login-card .portal-form-group {
  margin-bottom: 1rem;
}

.login-card .portal-btn {
  width: 100%;
  justify-content: center;
  margin-top: 0.5rem;
}

.login-forgot {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.875rem;
}

/* ── Empty State ───────────────────────────────────── */
.portal-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-mist);
}

.portal-empty .empty-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.4;
}

.portal-empty p {
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

/* ── Footer ────────────────────────────────────────── */
.portal-footer {
  grid-area: footer;
  background: var(--color-card);
  border-top: 1px solid #E2E8F0;
  text-align: center;
  padding: 1rem;
  color: var(--color-mist);
  font-size: 0.8125rem;
}

/* ── File Upload Zone ──────────────────────────────── */
.upload-zone {
  border: 2px dashed #CBD5E1;
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  background: var(--color-page);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--color-orange);
  background: rgba(206, 76, 17, 0.02);
}

.upload-zone .upload-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  opacity: 0.5;
}

.upload-zone p {
  color: var(--color-mist);
  font-size: 0.9375rem;
}

.upload-zone .upload-link {
  font-weight: 600;
}

/* ── File List ─────────────────────────────────────── */
.file-list-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid #F1F5F9;
}

.file-list-item:last-child { border-bottom: none; }

.file-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-grey-bg);
  border-radius: 6px;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.file-meta {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-weight: 600;
  font-size: 0.9375rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-info {
  font-size: 0.8125rem;
  color: var(--color-mist);
}

/* ── Storage Bar ───────────────────────────────────── */
.storage-bar {
  margin: 1rem 0;
}

.storage-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-mist);
  margin-bottom: 0.375rem;
}

.storage-bar-track {
  height: 6px;
  background: #E2E8F0;
  border-radius: 3px;
  overflow: hidden;
}

.storage-bar-fill {
  height: 100%;
  background: var(--color-orange);
  border-radius: 3px;
  transition: width 0.3s;
}



/* ── Responsive ────────────────────────────────────── */
@media (max-width: 768px) {
  .portal-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "sidebar"
      "main"
      "footer";
  }

  .portal-sidebar {
    border-right: none;
    border-bottom: 1px solid #E2E8F0;
    padding: 0.75rem 0;
    overflow-x: auto;
  }

  .portal-nav {
    display: flex;
    gap: 0;
  }

  .portal-nav a {
    padding: 0.5rem 1rem;
    border-left: none;
    border-bottom: 3px solid transparent;
    font-size: 0.8125rem;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .portal-nav a:hover,
  .portal-nav a.active {
    border-left-color: transparent;
    border-bottom-color: var(--color-orange);
  }

  .portal-nav-icon { display: none; }

  .portal-header {
    grid-template-columns: 1fr auto;
  }
  .portal-header-client {
    display: none;
  }

  .portal-main {
    padding: 1.25rem;
  }

  .login-card {
    margin: 1rem;
    padding: 1.5rem;
  }
}

/* ── Utility ───────────────────────────────────────── */
.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;
}

.text-right { text-align: right; }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }
.hidden { display: none; }

/* ── Shared utility modifiers ─────────────────────── */
.storage-bar-fill.warning { background: var(--color-yellow); }
.storage-bar-fill.full { background: var(--color-red); }

.storage-label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-mist);
}

.file-preview-wrapper {
  margin-top: 0.75rem;
}

.upload-preview-name {
  font-size: 0.875rem;
  color: var(--color-green);
}

.upload-hint {
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

.filter-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.max-w-sm { max-width: 480px; }
.max-w-md { max-width: 500px; }
.max-w-xs { max-width: 300px; }

.ml-4 { margin-left: 1rem; }
.mr-3 { margin-right: 0.75rem; }

.change-password-form {
  max-width: 480px;
}

.change-password-form .portal-form-group {
  margin-bottom: 1rem;
}

.change-password-help {
  font-size: 0.8125rem;
  color: var(--color-mist);
  margin-top: 0.25rem;
}

.cancel-link {
  margin-left: 1rem;
  color: var(--color-mist);
  font-size: 0.875rem;
}

.cancel-link:hover { color: var(--color-orange); text-decoration: underline; }

.storage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.quick-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.file-category-heading {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-mist);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.portal-detail-card { margin-bottom: 1.5rem; }

.portal-detail-address { margin-top: 0.75rem; }

#file-input { display: none; }

/* ── Phase 2: Data Tables ─────────────────────────── */
.portal-page-header {
  margin-bottom: 1.5rem;
}
.portal-page-header h1 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-navy);
  margin: 0;
}
.portal-page-subtitle {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.8125rem;
  color: var(--color-mist);
  margin: 0.25rem 0 0 0;
}
.portal-table-wrap {
  background: var(--color-card);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius);
  overflow-x: auto;
}
.portal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}
.portal-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-mist);
  border-bottom: 1px solid #E2E8F0;
  background: #F8FAFC;
}
.portal-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #f1f5f9;
  color: var(--color-navy);
}
.portal-table tr:last-child td { border-bottom: none; }
.portal-table tr:hover td { background: #f8fafc; }
.portal-table-id {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-weight: 600;
  font-size: 0.8125rem;
}
.portal-table-amount {
  font-weight: 600;
  white-space: nowrap;
}
.portal-table-num {
  text-align: right;
  white-space: nowrap;
}
.portal-table-total-label {
  text-align: right;
  font-weight: 700;
  color: var(--color-navy);
}
.portal-table-actions {
  white-space: nowrap;
  text-align: right;
}
.portal-muted { color: var(--color-mist); }

/* ── Phase 2: Detail View ─────────────────────────── */
.portal-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
@media (min-width: 768px) {
  .portal-detail-grid { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
}
.portal-detail-card {
  background: var(--color-card);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius);
  padding: 1.5rem;
}
.portal-section-title {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-mist);
  margin: 0 0 1rem 0;
}
.portal-detail-list {
  display: grid;
  gap: 0.75rem;
}
.portal-detail-list > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}
.portal-detail-list dt {
  font-size: 0.875rem;
  color: var(--color-mist);
  flex-shrink: 0;
}
.portal-detail-list dd {
  text-align: right;
  font-weight: 500;
  color: var(--color-navy);
}

.portal-detail-list-cols {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.portal-detail-list-cols > div {
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  padding: 0.75rem 1rem;
}

.portal-detail-list-cols dt {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.portal-detail-list-cols dd {
  display: block;
  text-align: left;
  font-size: 0.9375rem;
}
.portal-amount {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-weight: 700;
  font-size: 1.125rem;
}
.portal-terms {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-navy);
}
.portal-empty-text {
  color: var(--color-mist);
  font-size: 0.875rem;
  margin: 0;
}
.portal-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.portal-file-list {
  display: flex;
  flex-direction: column;
}

.portal-file-list .file-list-item:last-child {
  border-bottom: none;
}

.portal-total-row {
  border-top: 1px solid #E2E8F0;
  padding-top: 0.75rem;
}