/* ========================================
   Oil Can Man WebApp - Styles
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #D71921;
  --color-primary-hover: #b5141a;
  --color-sidebar: #1a1a2e;
  --color-sidebar-hover: #252542;
  --color-sidebar-text: #c0c0d0;
  --color-sidebar-text-active: #ffffff;
  --color-bg: #f0f2f5;
  --color-surface: #ffffff;
  --color-text: #333d51;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --sidebar-width: 260px;
  --topbar-height: 56px;
  --transition-speed: 0.25s;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

/* --- App Layout --- */
.app {
  display: flex;
  min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-sidebar);
  color: var(--color-sidebar-text);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition-speed) ease;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.sidebar-logo {
  display: block;
  max-width: 180px;
  height: auto;
}

.sidebar-nav {
  flex: 1;
  padding: 8px 0;
}

/* Nav Sections */
.nav-section {
  margin-bottom: 2px;
}

.nav-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  user-select: none;
  transition: color var(--transition-speed);
}

.nav-section-header:hover {
  color: rgba(255, 255, 255, 0.7);
}

.nav-section-header .chevron {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-speed);
  opacity: 0.5;
}

.nav-section.collapsed .chevron {
  transform: rotate(-90deg);
}

.nav-section-items {
  overflow: hidden;
  transition: max-height var(--transition-speed) ease;
  max-height: 500px;
}

.nav-section.collapsed .nav-section-items {
  max-height: 0;
}

/* Nav Links */
.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 20px 9px 28px;
  font-size: 0.875rem;
  color: var(--color-sidebar-text);
  border-left: 3px solid transparent;
  transition: all var(--transition-speed);
  white-space: nowrap;
}

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

.nav-link.active {
  background: rgba(215, 25, 33, 0.1);
  color: var(--color-sidebar-text-active);
  border-left-color: var(--color-primary);
  font-weight: 600;
}

.nav-link-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.6;
}

.nav-link.active .nav-link-icon {
  opacity: 1;
}

/* Single nav links (no section, like Dispatch external) */
.nav-single {
  padding: 10px 20px;
}

.nav-single .nav-link {
  padding-left: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  border-left: none;
}

.nav-single .nav-link:hover {
  color: var(--color-sidebar-text-active);
  background: transparent;
}

.nav-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.06);
  margin: 4px 16px;
}

/* Sidebar footer */
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-logout {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition-speed);
}

.sidebar-logout:hover {
  color: var(--color-primary);
}

.sidebar-logout svg {
  width: 14px;
  height: 14px;
}

/* Topbar logout */
.topbar-logout {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: none;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.topbar-logout:hover {
  background: var(--color-bg);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.topbar-logout svg {
  width: 16px;
  height: 16px;
}

/* --- Main Content Area --- */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* --- Top Bar --- */
.topbar {
  position: sticky;
  top: 0;
  height: var(--topbar-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  z-index: 50;
  box-shadow: var(--shadow);
}

.topbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  color: var(--color-text);
  transition: background var(--transition-speed);
}

.topbar-toggle:hover {
  background: var(--color-bg);
}

.topbar-toggle svg {
  width: 22px;
  height: 22px;
  display: block;
}

.topbar-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
}

.topbar-spacer {
  flex: 1;
}

.topbar-help {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: none;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.topbar-help:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.topbar-help svg {
  width: 16px;
  height: 16px;
}

/* Help dropdown */
.help-wrapper {
  position: relative;
}

.help-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  z-index: 60;
  overflow: hidden;
}

.help-dropdown.open {
  display: block;
}

.help-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--color-text);
  transition: background var(--transition-speed);
}

.help-dropdown a:hover {
  background: var(--color-bg);
}

.help-dropdown a svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.help-dropdown a + a {
  border-top: 1px solid var(--color-border);
}

/* --- Content --- */
.content {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.content-card {
  flex: 1;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  min-height: 400px;
}

/* Caspio embed container */
.caspio-container {
  width: 100%;
  min-height: 300px;
}

.caspio-container p {
  text-align: center;
  color: var(--color-text-muted);
  padding: 40px 0;
  font-size: 0.9rem;
}

/* Override Caspio default styles to be full width */
.caspio-container div[id^="dp"],
.caspio-container span[id^="dp"] {
  width: 100% !important;
}

/* --- Footer --- */
.footer {
  padding: 16px 24px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* --- Sidebar Overlay (mobile) --- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition-speed);
}

.sidebar-overlay.visible {
  opacity: 1;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.active {
    display: block;
  }

  .main {
    margin-left: 0;
  }

  .topbar-toggle {
    display: block;
  }

  .content {
    padding: 16px;
  }

  .content-card {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .content {
    padding: 12px;
  }

  .content-card {
    padding: 12px;
    border-radius: 6px;
  }

  .topbar {
    padding: 0 16px;
  }
}

/* --- Print --- */
@media print {
  .sidebar,
  .sidebar-overlay,
  .topbar-toggle {
    display: none !important;
  }

  .main {
    margin-left: 0 !important;
  }

  .topbar {
    position: static;
    box-shadow: none;
    border-bottom: 1px solid #ccc;
  }

  .content-card {
    box-shadow: none;
    border: none;
  }
}