:root {
  --primary-blue: #1976d2;
  --accent-blue: #0f5faa;
  /* Banner background top */
  --header-text-main: #e0ce92;
  /* Main title color */
  --header-text-sub: #ffffff;
  /* Sub title color */
  --tab-active-bg: #1c88db;
  --tab-bg: #98d1fb;
  --container-border: #42a5f5;
  --section-header-bg: #9cd2fd;
  /* The header like 'Thiet bi muon gan day' */
  --section-header-text: #0b5aa9;
  --bg-page: #f0f8ff;
  /* Body background */
  --equipment-container-bg: #e5f3fd;
  /* Container holding the cards */
  --text-dark: #212529;
  --card-border: #d1d5db;
  --time-bg: #ebebeb;
  --stat-bg: #bde0ef;

  --font-body: 'Inter', "Segoe UI", sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-dark);
  line-height: 1.5;
  padding: 20px;
  display: flex;
  justify-content: center;
}

.system-container {
  width: 100%;
  max-width: 1100px;
  background-color: #f0f7fc;
  /* Light blue base so gaps are visible */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
  padding-bottom: 20px;
}

/* 1. Header Banner */
.header-banner {
  background-color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0px 20px 0px 0px;
  /* Logo touches left edge */
  height: 90px;
}

.header-logo-box {
  background-color: #ffffff;
  height: 80px;
  width: 120px;
  margin-left: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-logo-box img {
  width: 80px;
  height: auto;
  object-fit: contain;
}

.header-title-group {
  flex: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 20px;
}

.header-title-group h2 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 5px 0;
  text-transform: uppercase;
  letter-spacing: 0px;
  color: var(--header-text-sub);
}

.header-title-group h1 {
  font-size: 26px;
  font-weight: 700;
  margin: 0;
  text-transform: uppercase;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
  color: var(--header-text-main);
}

.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  width: 120px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: #ffffff;
  border: none;
  color: var(--text-dark);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.icon-btn img {
  width: 55%;
  height: auto;
  object-fit: contain;
}

/* 2. Navigation Bar */
.nav-bar {
  background-color: #f8fbff;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 2px solid var(--container-border);
  margin-bottom: 20px;
  position: relative;
}

/* Wrapper chứa các tab — desktop: flex ngang */
.nav-links {
  display: flex;
  flex: 1;
  gap: 10px;
  padding: 15px 0;
}

.nav-tab {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 12px 10px;
  text-decoration: none;
  background-color: var(--tab-bg);
  color: var(--text-dark);
  font-weight: 600;
  font-size: 16px;
  border: 1px solid #8bc2ea;
  border-radius: 6px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-tab.active {
  background-color: var(--tab-active-bg);
  color: #ffffff;
}

.nav-tab:hover:not(.active) {
  background-color: #c8e6fa;
}

/* Hamburger button — ẩn trên desktop */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.hamburger-btn span {
  display: block;
  width: 24px;
  height: 2.5px;
  background-color: var(--primary-blue);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
  transform-origin: center;
}

/* Hamburger → X khi open */
.hamburger-btn.open span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.hamburger-btn.open span:nth-child(2) {
  opacity: 0;
  width: 0;
}
.hamburger-btn.open span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Group 3 & 4 (Search and Stats are wrapped in one visual block, so we margin them as a unit or keep them white) */
.search-container {
  display: flex;
  justify-content: center;
  padding: 25px 20px;
  background-color: #ffffff;
}

.search-pill {
  width: 100%;
  max-width: 600px;
  display: flex;
  align-items: center;
  background-color: #ffffff;
  border: 1px solid #a0a0a0;
  border-radius: 50px;
  padding: 10px 25px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  /* Gives the search bar a floating feel */
  transition: box-shadow 0.2s ease;
}

.search-pill:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.search-icon-left,
.search-icon-right {
  color: var(--text-dark);
  font-size: 18px;
}

.search-icon-right {
  margin-left: 15px;
}

.search-pill input {
  flex: 1;
  border: none;
  outline: none;
  padding: 8px 15px;
  font-size: 15px;
  color: var(--text-dark);
  background: transparent;
  text-align: center;
}

/* 4. Statistics Row */
.stats-row {
  display: flex;
  justify-content: space-between;
  padding: 0 30px 30px 30px;
  background-color: #ffffff;
  gap: 25px;
  margin-bottom: 20px;
  /* Gap before Equipment section */
}

.stat-card {
  flex: 1;
  background-color: var(--stat-bg);
  border-radius: 8px;
  padding: 15px 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  /* Stat cards float out */
  transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.stat-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  text-transform: uppercase;
  margin-bottom: 5px;
}

.stat-value {
  font-size: 40px;
  font-weight: 400;
  color: var(--text-dark);
  font-family: var(--font-serif);
}

/* 5. Section Heading & Grid */
.section-wrapper {
  display: flex;
  flex-direction: column;
  background-color: #ffffff;
  margin-bottom: 20px;
  /* Gap after section */
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.section-heading {
  background-color: var(--section-header-bg);
  color: var(--section-header-text);
  padding: 12px 15px;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-top: 1px solid var(--container-border);
  border-bottom: 1px solid var(--container-border);
}

.section-heading i {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(17, 95, 170, 0.12);
  color: var(--accent-blue);
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.equipment-container {
  background-color: var(--equipment-container-bg);
  padding: 30px;
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 25px;
}

.equipment-card {
  display: flex;
  background-color: #ffffff;
  padding: 15px;
  gap: 15px;
  border: 1px solid var(--card-border);
  min-height: 180px;
  border-radius: 6px;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.06);
  /* Base elevation for grid cards */
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.equipment-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
  /* Pop out effect on hover */
  cursor: pointer;
}

.equipment-img-box {
  width: 140px;
  height: 140px;
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px;
  background-color: #ffffff;
  flex-shrink: 0;
}

.equipment-img-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.equipment-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.equipment-name {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  text-align: center;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px;
}

.equipment-time {
  background-color: var(--time-bg);
  color: var(--text-dark);
  font-size: 12px;
  padding: 10px;
  text-align: center;
  width: 100%;
  margin-top: 10px;
}

/* Xem Thêm Button */
.see-more-container {
  display: flex;
  justify-content: center;
  margin-top: 25px;
}

.btn-see-more {
  background: linear-gradient(90deg, #1665b8 0%, #2b8de4 100%);
  color: #ffffff;
  border: 1px solid #1c75cc;
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(15, 79, 146, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-see-more:hover {
  filter: brightness(1.03);
  box-shadow: 0 10px 18px rgba(15, 79, 146, 0.24);
  transform: translateY(-2px);
}

/* 6. Maintenance List */
.maintenance-content {
  background-color: #ffffff;
  padding: 15px 30px;
}

.maintenance-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 5px;
  border-bottom: 1px solid var(--card-border);
  font-size: 18px;
  font-weight: 700;
}

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

.maintenance-item i {
  color: var(--text-dark);
  font-size: 16px;
}

/* Trend roadmap block (Prospects section) */
.trend-roadmap {
  margin: 20px 0;
  padding: 18px;
  border: 1px solid #d6e6f8;
  border-radius: 12px;
  background: linear-gradient(135deg, #f6fbff 0%, #eef7ff 100%);
}

.trend-title {
  text-align: center;
  font-size: 20px;
  color: #14579f;
  margin-bottom: 14px;
}

.trend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.trend-card {
  background-color: #ffffff;
  border: 1px solid #cfe3f9;
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 8px 20px rgba(20, 87, 159, 0.08);
}

.trend-card h5 {
  font-size: 16px;
  color: #0f4f92;
  margin-bottom: 6px;
}

.trend-card p {
  font-size: 14px;
  color: #2f3b4a;
  line-height: 1.5;
}

.trend-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: #ffffff;
  background-color: #2a84d8;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.highlight-card {
  border: 1px solid #cfe3f9;
  border-radius: 12px;
  background: linear-gradient(135deg, #f7fbff 0%, #edf6ff 100%);
  padding: 14px;
  box-shadow: 0 8px 18px rgba(16, 84, 147, 0.08);
}

.highlight-card h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  color: var(--accent-blue);
  margin-bottom: 10px;
}

.highlight-card h4 i {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(15, 95, 170, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.highlight-list {
  margin: 0;
  padding-left: 20px;
}

.highlight-list li {
  margin-bottom: 7px;
  font-size: 14px;
  color: #2f3b4a;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mini-badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background-color: #d9ecff;
  color: #0f5aa3;
  font-size: 12px;
  font-weight: 700;
}

.partner-strip {
  margin-top: 14px;
  border: 1px solid #cfe3f9;
  border-radius: 12px;
  background: #f8fcff;
  padding: 12px 14px;
}

.partner-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: #0f4f92;
  margin-bottom: 10px;
}

.partner-logo-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 12px;
  padding: 4px 2px;
}

.partner-logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-logo-item img {
  width: 100%;
  max-width: 84px;
  height: 84px;
  object-fit: contain;
  border: 1px solid #d7e9fb;
  border-radius: 14px;
  background-color: #ffffff;
  padding: 6px;
}

.section-link-left {
  margin-top: 16px;
  display: flex;
  justify-content: flex-start;
}

.section-link-right {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
}

.section-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid #1c75cc;
  text-decoration: none;
  color: #ffffff;
  background: linear-gradient(90deg, #1665b8 0%, #2b8de4 100%);
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  box-shadow: 0 6px 14px rgba(15, 79, 146, 0.18);
}

.section-link-btn:hover {
  filter: brightness(1.03);
  box-shadow: 0 10px 18px rgba(15, 79, 146, 0.24);
  transform: translateY(-2px);
}

/* 7. Footer */
.footer {
  border-top: 2px solid var(--container-border);
  background-color: #ffffff;
  margin-top: 5px;
}

.footer-content {
  padding: 20px;
  text-align: center;
  font-size: 13px;
  color: var(--text-dark);
  line-height: 1.6;
}

.footer-tip {
  background-color: #edf7f8;
  padding: 15px;
  text-align: center;
  font-size: 14px;
  color: var(--text-dark);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.footer-tip i {
  color: #ffca28;
  /* vivid yellow bulb */
  font-size: 20px;
}

/* Avatar Dropdown */
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  text-decoration: none;
  color: #334155;
  font-size: 14px;
  font-weight: 600;
  transition: background-color 0.2s;
}

.dropdown-item:hover {
  background-color: #f1f5f9;
}

.dropdown-item i {
  width: 18px;
  text-align: center;
}

.avatar-btn {
  overflow: hidden;
}

/* In-page confirm popup */
.seb-confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 12000;
  padding: 16px;
  pointer-events: none;
}

.seb-confirm-overlay.active {
  display: flex;
  pointer-events: auto;
}

.seb-confirm-dialog {
  width: 100%;
  max-width: 420px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 20px 44px rgba(2, 8, 23, 0.28);
  padding: 20px;
}

.seb-confirm-title {
  margin: 0 0 8px 0;
  color: #0f172a;
  font-size: 22px;
  font-weight: 700;
}

.seb-confirm-message {
  margin: 0;
  color: #334155;
  font-size: 16px;
  line-height: 1.5;
}

.seb-confirm-actions {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.seb-confirm-btn {
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.seb-confirm-cancel {
  background: #e2e8f0;
  color: #1e293b;
}

.seb-confirm-accept {
  background: #0b5aa9;
  color: #ffffff;
}

/* =========================================
   AUTH NOTIFICATION BANNER
   ========================================= */
.auth-notification-banner {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
  color: #ffffff;
  padding: 16px 20px;
  margin-bottom: 20px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
  font-weight: 600;
  font-size: 16px;
  animation: slideDown 0.4s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-notification-banner i {
  font-size: 20px;
  min-width: 24px;
}

.auth-notification-banner .banner-close {
  margin-left: auto;
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  font-size: 20px;
  padding: 0;
  display: flex;
  align-items: center;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.auth-notification-banner .banner-close:hover {
  opacity: 1;
}

.page-overlay-locked {
  position: relative;
}

.page-overlay-locked::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.15);
  border-radius: 6px;
  pointer-events: none;
}

.page-content-hidden {
  display: none !important;
}

/* =========================================
   RESPONSIVE DESIGN (Mobile & Tablet)
   ========================================= */

/* === Tablet: ≤ 900px === */
@media (max-width: 900px) {
  .equipment-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 18px;
  }

  .highlight-grid {
    grid-template-columns: 1fr;
  }

  .partner-logo-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* === Tablet nhỏ / phablet: ≤ 768px === */
@media (max-width: 768px) {
  body {
    padding: 8px;
  }

  /* Header */
  .header-banner {
    height: auto;
    min-height: 70px;
    padding: 8px 12px 8px 8px;
    gap: 8px;
  }

  .header-logo-box {
    margin-left: 4px;
    width: 60px;
    height: 52px;
    flex-shrink: 0;
  }

  .header-logo-box img {
    width: 42px;
  }

  .header-title-group {
    padding: 0 8px;
    min-width: 0; /* Prevents flex overflow */
  }

  .header-title-group h2 {
    font-size: 10px;
    letter-spacing: 0;
    white-space: normal;
  }

  .header-title-group h1 {
    font-size: 15px;
    text-shadow: none;
    white-space: normal;
    line-height: 1.3;
  }

  .header-right {
    width: auto;
    flex-shrink: 0;
    gap: 6px;
  }

  .icon-btn {
    width: 30px;
    height: 30px;
    font-size: 13px;
  }

  /* Nav Bar: horizontal swipe mode */
  .nav-bar {
    padding: 0 12px;
    gap: 0;
    overflow: hidden;
  }

  /* Ẩn hamburger trên mobile, dùng nav lướt ngang */
  .hamburger-btn {
    display: none;
  }

  /* Menu links: luôn hiển thị, vuốt ngang khi tràn */
  .nav-links {
    display: flex;
    flex-direction: row;
    width: 100%;
    padding: 10px 0;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
  }

  .nav-links::-webkit-scrollbar {
    height: 5px;
  }

  .nav-links::-webkit-scrollbar-thumb {
    background-color: #b7d8f5;
    border-radius: 999px;
  }

  .nav-tab {
    flex: 0 0 auto;
    min-width: 125px;
    width: auto;
    padding: 10px 14px;
    font-size: 14px;
    white-space: nowrap;
    justify-content: center;
    scroll-snap-align: start;
  }

  /* Stats Row */
  .stats-row {
    flex-wrap: wrap;
    padding: 0 12px 18px 12px;
    gap: 12px;
  }

  .stat-card {
    flex: 1 1 calc(33% - 12px); /* 3 per row on tablet */
    min-width: 90px;
    padding: 10px 5px;
  }

  .stat-title {
    font-size: 12px;
  }

  .stat-value {
    font-size: 30px;
  }

  /* Equipment grid: 2 columns on tablet */
  .equipment-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .equipment-container {
    padding: 15px;
  }

  /* Equipment card: stack image & info vertically */
  .equipment-card {
    flex-direction: column;
    align-items: center;
    min-height: unset;
    padding: 12px;
    gap: 10px;
  }

  .equipment-img-box {
    width: 100px;
    height: 100px;
  }

  .equipment-info {
    width: 100%;
    align-items: center;
  }

  .equipment-name {
    font-size: 12px;
    text-align: center;
  }

  /* Maintenance */
  .maintenance-content {
    padding: 12px 15px;
  }

  .maintenance-content p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 10px;
  }

  .maintenance-content h3 {
    font-size: 17px;
    margin: 8px 0 8px;
  }

  .maintenance-content h4 {
    font-size: 15px;
  }

  .maintenance-item {
    font-size: 15px;
    align-items: flex-start;
  }

  .maintenance-item i {
    margin-top: 3px;
    flex-shrink: 0;
  }

  /* Section heading */
  .section-heading {
    font-size: 17px;
    padding: 10px 12px;
  }

  .section-link-left,
  .section-link-right {
    justify-content: center;
  }

  .section-link-btn,
  .btn-see-more {
    font-size: 13px;
    padding: 9px 14px;
  }

  .highlight-card,
  .trend-card,
  .partner-strip {
    padding: 12px;
  }

  /* Footer */
  .footer-tip {
    font-size: 13px;
    gap: 12px;
  }
}

/* === Mobile nhỏ: ≤ 480px === */
@media (max-width: 480px) {
  body {
    padding: 0;              /* Dùng hết chiều ngang màn hình */
  }

  .system-container {
    box-shadow: none;        /* Không cần shadow trên điện thoại */
  }

  /* Header */
  .header-banner {
    padding: 6px 8px 6px 0;
    min-height: 60px;
  }

  .header-logo-box {
    width: 50px;
    height: 44px;
  }

  .header-logo-box img {
    width: 34px;
  }

  .header-title-group h2 {
    font-size: 9px;
  }

  .header-title-group h1 {
    font-size: 13px;
  }

  .icon-btn {
    width: 26px;
    height: 26px;
    font-size: 11px;
  }

  /* Stats: 3 thẻ trên cùng 1 hàng hoặc mỗi hàng 1 thẻ */
  .stats-row {
    flex-direction: column;
    padding: 0 10px 15px;
    gap: 10px;
  }

  .stat-card {
    flex: 1 1 100%;
    padding: 10px;
  }

  .stat-value {
    font-size: 26px;
  }

  /* Equipment: 1 cột trên điện thoại nhỏ */
  .equipment-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* Card nằm ngang trên mobile nhỏ */
  .equipment-card {
    flex-direction: row;
    align-items: center;
    min-height: unset;
    padding: 10px;
    gap: 12px;
  }

  .equipment-img-box {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
  }

  .equipment-info {
    flex: 1;
    align-items: flex-start;
  }

  .equipment-name {
    font-size: 12px;
    text-align: left;
    justify-content: flex-start;
  }

  .equipment-time {
    font-size: 11px;
    padding: 6px;
    margin-top: 6px;
    text-align: left;
  }

  /* Maintenance */
  .maintenance-item {
    font-size: 14px;
    padding: 12px 3px;
  }

  .maintenance-content {
    padding: 10px 12px;
  }

  .maintenance-content p {
    font-size: 13px;
    line-height: 1.65;
  }

  /* Nav */
  .nav-tab {
    font-size: 13px;
    padding: 8px 12px;
  }

  .section-link-btn,
  .btn-see-more {
    width: 100%;
    justify-content: center;
  }

  .partner-logo-item {
    width: auto;
    min-width: 0;
  }

  .partner-logo-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .partner-logo-item img {
    max-width: 68px;
    height: 68px;
  }

  /* Search bar */
  .search-container {
    padding: 15px 10px;
  }

  /* Footer */
  .footer-content {
    font-size: 12px;
    padding: 15px 12px;
  }

  .footer-tip {
    font-size: 12px;
    gap: 10px;
    padding: 12px;
  }
}

/* === Extra nhỏ: ≤ 360px (Galaxy S, Redmi...) === */
@media (max-width: 360px) {
  .header-title-group h1 {
    font-size: 11px;
  }

  .header-title-group h2 {
    font-size: 8px;
  }

  .header-logo-box {
    width: 44px;
    height: 40px;
  }

  .header-logo-box img {
    width: 30px;
  }

  .icon-btn {
    width: 24px;
    height: 24px;
    font-size: 10px;
  }

  .partner-logo-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
}

/* =========================================
   MODAL LOGIN / REGISTER
   ========================================= */

.modal-overlay {
  display: none; /* hidden by default */
  position: fixed;
  top: 0; 
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5); /* semi-transparent black */
  z-index: 1000;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.modal-content {
  background-color: #ffffff;
  width: 90%;
  max-width: 400px;
  padding: 30px;
  border-radius: 8px;
  position: relative;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.close-btn {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 24px;
  font-weight: bold;
  color: #777;
  cursor: pointer;
  transition: color 0.2s;
}

.close-btn:hover {
  color: var(--primary-blue);
}

.auth-title {
  text-align: center;
  color: var(--primary-blue);
  margin-bottom: 20px;
  font-size: 22px;
  font-weight: 700;
}

.auth-form-container .input-group {
  margin-bottom: 15px;
  display: flex;
  flex-direction: column;
}

.auth-form-container .input-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 5px;
}

.auth-form-container .input-group input {
  padding: 10px 15px;
  border: 1px solid var(--card-border);
  border-radius: 4px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.auth-form-container .input-group input:focus {
  border-color: var(--primary-blue);
}

.auth-submit {
  width: 100%;
  background: linear-gradient(90deg, #1665b8 0%, #2b8de4 100%);
  color: #fff;
  border: 1px solid #1c75cc;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 999px;
  cursor: pointer;
  margin-top: 10px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  box-shadow: 0 6px 14px rgba(15, 79, 146, 0.18);
}

.auth-submit:hover {
  filter: brightness(1.03);
  box-shadow: 0 10px 18px rgba(15, 79, 146, 0.24);
  transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll,
  .reveal-on-scroll.is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.auth-switch {
  text-align: center;
  margin-top: 15px;
  font-size: 14px;
}

.auth-switch a {
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 600;
}

.auth-switch a:hover {
  text-decoration: underline;
}