/* ========================================
   IT 견적 관리 시스템 - Style CSS
   CodeIgniter 3 기반
   ======================================== */

/* ========================================
   CSS Variables (Token System)
   ======================================== */
:root {
  /* Colors */
  --color-page-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-text-primary: #1a202c;
  --color-text-secondary: #4a5568;
  --color-text-disabled: #a0aec0;
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e0;

  /* Action Colors */
  --color-action-primary: #3182ce;
  --color-action-primary-hover: #2b6cb0;
  --color-success: #48bb78;
  --color-warning: #ecc94b;
  --color-error: #e53e3e;

  /* Status Colors */
   --color-status-draft: #718096;
   --color-status-sent: #3182ce;
   --color-status-approved: #38a169;
   --color-status-rejected: #e53e3e;

   /* Sidebar/Navi Colors */
   --color-nav-bg: #f0f0f0;
   --color-nav-text: #333333;
   --color-nav-text-active: #1a202c;
   --color-nav-hover-bg: #e8e8e8;
   --color-nav-border-subtle: rgba(0, 0, 0, 0.1);

   /* Quote Sheet Colors (원본 excel.html 기반) */
   --color-header-bg: #C0C0C0;           /* 은회색 헤더 배경 */
   --color-header-font: #333333;          /* 헤더 폰트 색 */
   --color-row-alt: #D8D8D8;              /* 행 번갈은 배경 */
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-rounded: 999px;

  /* Shadow */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);

  /* Z-index */
  --z-base: 0;
  --z-sticky: 100;
}

/* ========================================
   Base Styles
   ======================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body.app-container {
  font-family: var(--font-family-base);
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  background-color: var(--color-page-bg);
  line-height: 1.6;
  min-height: 100vh;
}

/* ========================================
   Layout Structure (Sidebar + Content)
   ======================================== */
.app-container {
  display: flex;
  flex-direction: row;
}

.lnb {
  width: 240px;
  background-color: var(--color-nav-bg);
  color: var(--color-nav-text);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
}

.lnb-header {
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--color-nav-border-subtle);
}

.lnb-logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: #1a202c;
  letter-spacing: -0.5px;
}

.lnb-menu {
  padding: var(--space-4) 0;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-nav-text);
  transition: background-color 0.2s, color 0.2s;
  font-size: var(--font-size-md);
  text-decoration: none;
}

.menu-item:hover {
  background-color: var(--color-nav-hover-bg);
  color: #1a202c;
}

.menu-item.active {
  background-color: rgba(49, 130, 206, 0.15);
  border-left: 4px solid var(--color-action-primary);
  color: #1a202c;
  font-weight: 600;
}

.menu-item .icon {
  font-size: var(--font-size-lg);
  width: 24px;
  text-align: center;
}

.lnb-footer {
  margin-top: auto;
  padding: var(--space-5) var(--space-4);
  border-top: 1px solid var(--color-nav-border-subtle);
}

.version {
  font-size: var(--font-size-sm);
  color: rgba(0, 0, 0, 0.5);
  text-align: center;
}

/* Main Content */
.main-content {
  flex-grow: 1;
  min-width: 0;
  background-color: var(--color-page-bg);
}

/* App Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: #ffffff;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Header Icons */
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-rounded);
  background-color: transparent;
  border: none;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s, transform 0.1s;
}

.btn-icon:hover {
  background-color: #f7fafc;
  color: var(--color-text-primary);
  transform: scale(1.05);
}

/* User Menu */
.user-menu {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  background-color: #f7fafc;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.user-name {
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  font-weight: 500;
}

/* ========================================
   Dashboard Content
   ======================================== */
.dashboard-content {
  padding: var(--space-6) var(--space-8);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.stat-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.stat-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.stat-trend {
  font-size: var(--font-size-sm);
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
}

.stat-trend.positive {
  background-color: #f0fff4;
  color: var(--color-success);
}

.stat-trend.neutral {
  background-color: #f7fafc;
  color: var(--color-text-secondary);
}

/* Section Title */
.section-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-border);
}

/* ========================================
   Data Tables
   ======================================== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-6);
}

.data-table thead th {
  background-color: var(--color-header-bg);       /* 원본: #C0C0C0 은회색 */
  padding: var(--space-4) var(--space-3);
  text-align: left;
  font-weight: 600;
  color: var(--color-header-font);                 /* 원본: #333333 */
  border-bottom: 2px solid var(--color-border);
}

.data-table tbody td {
  padding: var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background-color: #f7fafc;
}

.amount {
  font-family: 'Inter', monospace;
  font-weight: 600;
  color: var(--color-text-primary);
}

/* ========================================
   Badges / Status Indicators
   ======================================== */
.badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
}

.status-draft {
  background-color: #edf2f7;
  color: var(--color-status-draft);
}

.status-sent {
  background-color: #bee3f8;
  color: var(--color-status-sent);
}

.status-approved {
  background-color: #c6f6d5;
  color: var(--color-status-approved);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
  :root {
    --space-4: 0.75rem;
    --space-6: 1rem;
    --space-8: 1.5rem;
  }

  .lnb {
    width: 100%;
    height: auto;
    position: relative;
  }

  .menu-item {
    padding: var(--space-2) var(--space-3);
  }

  .app-header {
    padding: var(--space-3) var(--space-4);
  }
}

@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .dashboard-content {
    padding: var(--space-4);
  }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-secondary {
  color: var(--color-text-secondary) !important;
}

.hidden {
  display: none !important;
}

.text-right {
  text-align: right !important;
}

.text-center {
  text-align: center !important;
}

/* ========================================
   Rate Management Content
   ======================================== */
.rate-management-content {
  padding: var(--space-6) var(--space-8);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-border);
}

.rate-table .form-input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}

.rate-table thead th {
  background-color: var(--color-header-bg);       /* 원본: #C0C0C0 은회색 */
  padding: var(--space-3);
  text-align: left;
  font-weight: 600;
  color: var(--color-header-font);                /* 원본: #333333 */
}

.rate-table tbody td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

/* ========================================
   Form Elements
   ======================================== */
.form-input,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  transition: border-color 0.2s, box-shadow 0.2s;
  height: 38px !important;
  min-height: 38px !important;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-action-primary);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

/* ========================================
   Form Elements - Select Height Fix for Calc Table
   ======================================== */
select.form-input.select-role {
  height: 38px !important;
  min-height: 38px !important;
}

/* ========================================
   Buttons
   ======================================== */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-md);
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, transform 0.1s;
  border: none;
  gap: var(--space-2);
}

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

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

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

.btn-secondary:hover {
  background-color: #f7fafc;
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

/* ========================================
   Panel Component
   ======================================== */
.panel {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
}

/* ========================================
   Content Body
   ======================================== */
.content-body {
  padding: var(--space-6) var(--space-8);
}

/* ========================================
   Grid Systems
   ======================================== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

/* ========================================
   Form Grid Items
   ======================================== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

/* ========================================
   Calc Table Styles
   ======================================== */
.calc-table td,
.calc-table th {
  padding: var(--space-3) var(--space-2);
}

.calc-table thead th {
  background-color: var(--color-header-bg);       /* 원본: #C0C0C0 은회색 */
  padding: var(--space-3);
  text-align: left;
  font-weight: 600;
  color: var(--color-header-font);                /* 원본: #333333 */
}

/* Input period display */
.input-period {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.period-split {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Calc table input alignment */
.calc-table td input.form-input,
.calc-table td select.form-input.select-role {
  height: 38px !important;
  min-height: 38px !important;
}

/* ========================================
   Summary Section
   ======================================== */
.summary-section .summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.summary-section .summary-row:last-child {
  border-bottom: none;
}

.summary-section .total-row {
  font-weight: 700;
  font-size: var(--font-size-lg);
  padding-top: var(--space-6);
  padding-bottom: var(--space-4);
  border-top: 2px solid var(--color-border);
}

/* ========================================
   Input with Suffix (for % rate inputs)
   ======================================== */
.input-with-suffix {
  position: relative;
  display: flex;
}

.input-with-suffix .form-input {
  padding-right: var(--space-8);
}

.input-with-suffix .suffix {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ========================================
   Grid for Settings
   ======================================== */
.company-info-grid,
.fee-settings-container,
.template-settings-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-4);
}

.fee-settings-container,
.template-settings-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ========================================
   Card Header with Actions
   ======================================== */
.card-header-with-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

/* ========================================
   Bottom Actions (replacing inline styles)
   ======================================== */
.bottom-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

/* ========================================
   Input Period - Month and Day inputs at 50% width each
   ======================================== */
.input-period .input-months,
.input-period .input-days {
  flex: 1;
}

/* ========================================
   Period Input Group - 월/일 입력 (each at 50%)
   ======================================== */
.period-input-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.input-period .input-months,
.input-period .input-days {
  width: 50%;
}