@import url('variables.css');
@import url('components.css');

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

html, body {
  height: 100%;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  overflow: hidden;
}

a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 600;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-tertiary); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ========== Layout ========== */
#app-container {
  display: flex;
  width: 100%;
  height: 100vh;
}

#sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-brand {
  padding: var(--space-lg) var(--space-md);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.sidebar-brand .brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  object-fit: cover;
  flex-shrink: 0;
}

.sidebar-brand .brand-text {
  color: var(--text-inverse);
}

.sidebar-brand .brand-text h2 {
  font-size: var(--font-size-lg);
  margin: 0;
  letter-spacing: 0.5px;
}

.sidebar-brand .brand-text span {
  font-size: var(--font-size-xs);
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-sm) 0;
}

.sidebar-section-label {
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: var(--space-md) var(--space-lg) var(--space-xs);
  font-weight: 600;
}

.sidebar-sub-label {
  color: var(--text-tertiary);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: var(--space-sm) var(--space-lg) 2px calc(var(--space-lg) + 12px);
  font-weight: 600;
  opacity: 0.7;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px var(--space-lg);
  color: var(--text-sidebar);
  cursor: pointer;
  transition: all var(--transition-speed);
  font-size: var(--font-size-sm);
  border-left: 3px solid transparent;
}

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

.sidebar-nav-item.active {
  background: var(--bg-sidebar-active);
  color: var(--text-sidebar-active);
  border-left-color: var(--gold);
}

.sidebar-nav-item .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
}

.sidebar-bottom {
  padding: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  color: var(--text-sidebar);
  font-size: var(--font-size-sm);
  cursor: pointer;
  border-radius: var(--radius-md);
}

.sidebar-user:hover {
  background: var(--bg-sidebar-hover);
}

.sidebar-user-avatar {
  width: 32px;
  height: 32px;
  background: var(--navy-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  color: var(--gold);
  font-weight: 600;
}

/* ========== Main Content ========== */
#main-content {
  flex: 1;
  overflow-y: auto;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page {
  display: none;
  padding: var(--space-xl);
  max-width: 1400px;
  flex: 1;
}

.page.active {
  display: block;
}

.page-header {
  margin-bottom: var(--space-xl);
}

.page-header h1 {
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.page-header p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* ========== Login Page ========== */
.full-page {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  background: var(--bg-primary, #0a0a1e);
}

.full-page.active {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  padding: var(--space-lg) 0;
}

.login-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%);
  z-index: 0;
}

.login-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: var(--space-2xl);
}

.login-logo {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.login-logo .logo-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  margin-bottom: var(--space-md);
}

.login-logo h1 {
  color: var(--text-inverse);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-xs);
}

.login-logo p {
  color: var(--gold);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.login-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(20px);
}

.login-card .form-group {
  margin-bottom: var(--space-md);
}

.login-card label {
  display: block;
  color: var(--text-sidebar);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.login-card input {
  width: 100%;
  padding: 10px var(--space-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  color: var(--text-inverse);
  font-size: var(--font-size-base);
  outline: none;
  transition: border-color var(--transition-speed);
}

.login-card input:focus {
  border-color: var(--gold);
}

.login-card input::placeholder {
  color: var(--text-tertiary);
}

.login-error {
  color: var(--red-light);
  font-size: var(--font-size-sm);
  margin-top: var(--space-sm);
  display: none;
}

.login-error.visible {
  display: block;
}

.login-quote {
  text-align: center;
  margin-top: var(--space-xl);
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}

.login-quote p {
  color: rgba(255,255,255,0.6);
  font-size: var(--font-size-sm);
  font-style: italic;
  line-height: 1.6;
}

.login-quote cite {
  display: block;
  color: var(--gold);
  font-size: var(--font-size-xs);
  margin-top: var(--space-sm);
  font-style: normal;
  letter-spacing: 0.5px;
}

.login-branding {
  margin-top: var(--space-lg);
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.4);
}

.login-branding .small-caps {
  font-variant: small-caps;
  font-weight: 600;
  letter-spacing: 1px;
}

/* ========== Profile Avatar ========== */
.profile-avatar-lg {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  flex-shrink: 0;
  overflow: hidden;
}

/* ========== App Footer ========== */
.app-footer {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl) var(--space-xl);
  margin-top: auto;
  border-top: 1px solid var(--border-light);
}

.app-footer p {
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  font-style: italic;
  line-height: 1.6;
  max-width: 500px;
  margin: 0 auto;
}

.app-footer cite {
  display: block;
  color: var(--gold-dark);
  font-size: var(--font-size-xs);
  margin-top: var(--space-sm);
  font-style: normal;
  letter-spacing: 0.5px;
}

.footer-branding {
  margin-top: var(--space-lg);
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  text-align: right;
}

.footer-branding .small-caps {
  font-variant: small-caps;
  font-weight: 600;
  letter-spacing: 1px;
}

/* ========== Agreement Page ========== */
.agreement-panel {
  position: fixed;
  top: 0;
  width: calc(50% - 520px);
  min-width: 120px;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
  opacity: 0.9;
}
.agreement-panel-left {
  left: 0;
  border-radius: 0 24px 24px 0;
  background-position: center center;
}
.agreement-panel-right {
  right: 0;
  border-radius: 24px 0 0 24px;
  background-position: center center;
}

@media (max-width: 1200px) {
  .agreement-panel { min-width: 80px; opacity: 0.7; }
}
@media (max-width: 1000px) {
  .agreement-panel { display: none; }
}

.agreement-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1000px;
  padding: var(--space-xl);
}

.agreement-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(20px);
}

.agreement-scroll {
  max-height: 45vh;
  overflow-y: auto;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  background: rgba(0,0,0,0.2);
}

.agreement-text {
  color: var(--text-sidebar);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.agreement-text h2 {
  color: var(--text-inverse);
  font-size: var(--font-size-xl);
  margin: var(--space-xl) 0 var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.agreement-text h2:first-child {
  margin-top: 0;
}

.agreement-text h3 {
  color: var(--gold-light);
  font-size: var(--font-size-base);
  margin: var(--space-lg) 0 var(--space-sm);
}

.agreement-text p {
  margin-bottom: var(--space-md);
}

.agreement-text .meta {
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
  margin-bottom: var(--space-lg);
}

.agreement-text hr {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin: var(--space-xl) 0;
}

.agreement-text strong {
  color: var(--text-inverse);
}

/* ========== Utility ========== */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.flex-wrap { flex-wrap: wrap; }