/* ==========================================================================
   CHRISTOPHORO AI CREATIVE STUDIO - DESIGN TOKENS & STYLESHEET
   Derived from 01_design_tokens.json & Apeiron Capital PE Design System
   ========================================================================== */

:root {
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-ink: #111827;
  --color-accent: #c2410c;
  --color-accent-light: #fff7ed;
  --color-border: #e5e7eb;
  --color-text-heading: #111827;
  --color-text-body: #374151;
  --color-text-muted: #6b7280;
  
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --font-mono: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  
  --sidebar-width: 230px;
  --container-max-width: 1320px;
  --card-radius: 12px;
  --pill-radius: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
}

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

body {
  font-family: var(--font-family);
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-body);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
}

/* ==========================================================================
   SPLASH LOGIN / SECURITY GATE MODAL (Apeiron Minimalist Design System)
   ========================================================================== */
.login-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(17, 24, 39, 0.45);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  background-color: #FAF7F2; /* Japanese tea-ceremony warm paper canvas */
  border: 1px solid #E7E0D3;
  border-radius: 16px;
  width: 100%;
  max-width: 440px;
  padding: 36px 32px;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
}

.login-badge-header {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 20px;
}

.login-brand {
  text-align: center;
  margin-bottom: 24px;
}

.login-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #1C1917;
}

.login-subtitle {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: 4px;
}

.login-welcome-box {
  background-color: #F5F0E6;
  border: 1px solid #E7E0D3;
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  margin-bottom: 24px;
}

.welcome-heading {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-heading);
}

.welcome-desc {
  font-size: 12px;
  color: var(--color-text-body);
  margin-top: 6px;
  line-height: 1.5;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--color-accent);
}

.styled-input {
  background-color: #FFFFFF;
  border: 1px solid #D1D5DB;
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 14px;
  color: var(--color-text-heading);
  outline: none;
  transition: all 0.15s ease;
}

.styled-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.12);
}

.btn-large {
  width: 100%;
  padding: 12px;
  font-size: 13px;
  font-weight: 700;
  border-radius: 8px;
  margin-top: 4px;
  transition: background 0.15s ease;
}

.error-banner {
  font-size: 11px;
  font-weight: 700;
  color: #DC2626;
  background-color: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: 8px;
  padding: 10px 14px;
  text-align: center;
}

.login-footer {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid #E7E0D3;
  font-size: 10px;
  color: var(--color-text-muted);
  text-align: center;
}

/* SIDEBAR STYLES */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.brand-header {
  margin-bottom: 24px;
}

.brand-title {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--color-text-heading);
}

.brand-subtitle {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: 2px;
}

.role-selector-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--pill-radius);
  padding: 10px 12px;
  margin-bottom: 20px;
}

.role-label {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-accent);
}

.role-value {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-top: 2px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-grow: 1;
}

.nav-item {
  display: block;
  padding: 9px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-body);
  text-decoration: none;
  border-radius: var(--pill-radius);
  transition: all 0.15s ease;
  cursor: pointer;
}

.nav-item:hover {
  background-color: var(--color-bg);
  color: var(--color-text-heading);
}

.nav-item.active {
  background-color: var(--color-surface);
  color: var(--color-text-heading);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--color-accent);
  padding-left: 9px;
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 10px;
  color: var(--color-text-muted);
}

.sidebar-footer-tag {
  font-weight: 700;
  color: var(--color-accent);
}

/* MAIN CONTENT AREA */
.main-content {
  margin-left: var(--sidebar-width);
  flex-grow: 1;
  padding: 24px 32px;
  max-width: calc(100% - var(--sidebar-width));
}

/* TOP HEADER & BREADCRUMBS */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.breadcrumb {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
}

.breadcrumb-active {
  color: var(--color-text-heading);
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-input {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 7px 12px;
  font-size: 12px;
  width: 260px;
  outline: none;
}

.search-input:focus {
  border-color: var(--color-accent);
}

.btn-terracotta {
  background-color: var(--color-accent);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  padding: 7px 16px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-terracotta:hover {
  background-color: #a3360a;
}

.btn-outline {
  background-color: var(--color-surface);
  color: var(--color-text-heading);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 7px 16px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

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

/* HERO SECTION */
.hero-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text-heading);
  letter-spacing: -0.3px;
}

.hero-subtitle {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.portfolio-select {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-heading);
  outline: none;
}

/* TAB BAR */
.tab-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-bg);
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  margin-bottom: 24px;
  overflow-x: auto;
}

.tab-button {
  background: transparent;
  border: none;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-body);
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.tab-button:hover {
  color: var(--color-text-heading);
}

.tab-button.active {
  background-color: var(--color-surface);
  color: var(--color-text-heading);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

/* METRICS GRID & CARDS */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.card-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 3px 8px;
  border-radius: 4px;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  margin-bottom: 12px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.metric-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
}

.metric-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text-heading);
  margin-top: 4px;
}

.metric-value.accent {
  color: var(--color-accent);
}

/* DATA TABLES */
.table-wrapper {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  background-color: var(--color-bg);
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-text-body);
}

.data-table tr:hover {
  background-color: #fafafa;
}

/* TAG PILLS */
.tag-pill {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-heading);
}

.tag-pill.terracotta {
  background-color: var(--color-accent-light);
  border-color: #ffedd5;
  color: var(--color-accent);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  margin-right: 8px;
}

.score-code {
  font-family: var(--font-mono);
  font-size: 11px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 12px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 200px;
  overflow-y: auto;
}

/* CLICKABLE TITLE LINK */
.piece-title-link {
  color: var(--color-text-heading);
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: color 0.15s ease;
}

.piece-title-link:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* LITERARY READER MODAL */
.reader-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(17, 24, 39, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.reader-card {
  background-color: #faf7f2;
  border: 1px solid #e7e0d3;
  border-radius: 16px;
  width: 100%;
  max-width: 820px;
  max-height: 90vh;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.reader-header {
  padding: 20px 28px;
  border-bottom: 1px solid #e7e0d3;
  background-color: #f5f0e6;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.reader-title-area {
  flex-grow: 1;
}

.reader-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: #1c1917;
  line-height: 1.3;
}

.reader-meta-pills {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.reader-body {
  padding: 32px 36px;
  overflow-y: auto;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: #292524;
  flex-grow: 1;
}

.reader-prompt-box {
  background-color: #efe8db;
  border-left: 4px solid var(--color-accent);
  padding: 12px 16px;
  margin-bottom: 24px;
  border-radius: 0 8px 8px 0;
  font-family: var(--font-family);
  font-size: 12px;
  color: #44403c;
}

.reader-footer {
  padding: 16px 28px;
  border-top: 1px solid #e7e0d3;
  background-color: #f5f0e6;
  display: flex;
  align-items: center;
  justify-content: space-between;
}