/* ============================================= */
/* ROOT VARIABLES */
/* ============================================= */
:root {
  --primary-color: #2ecc71;
  --primary-dark: #27ae60;
  --secondary-color: #1abc9c;
  --success-color: #4cc9f0;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --info-color: #3498db;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --gray-color: #95a5a6;
  --light-gray: #ecf0f1;
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 80px;
  --top-nav-height: 60px;
  --transition-speed: 0.3s;
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --card-hover-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
  --border-radius: 8px;
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --bg-color: #121212;
  --text-color: #ecf0f1;
  --card-bg: #1e1e1e;
  --sidebar-bg: #1a1a1a;
  --topbar-bg: #1a1a1a;
  --border-color: #333;
  --input-bg: #2d2d2d;
  --hover-color: #2c3e50;
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-color: #f8f9fa;
  --text-color: #2c3e50;
  --card-bg: #ffffff;
  --sidebar-bg: #ffffff;
  --topbar-bg: #ffffff;
  --border-color: #dfe6e9;
  --input-bg: #f8f9fa;
  --hover-color: #f1f1f1;
}

/* ============================================= */
/* BASE STYLES */
/* ============================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* ============================================= */
/* LOADING SCREEN */
/* ============================================= */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-color);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.5s ease;
}

.loading-screen.fade-out {
  opacity: 0;
}

.loading-content {
  text-align: center;
}

.loading-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.logo-shape {
  width: 20px;
  height: 20px;
  margin: 0 5px;
  background-color: #4361ee;
  border-radius: 50%;
  animation: bounce 1.5s infinite ease-in-out;
}

.logo-shape:nth-child(2) {
  animation-delay: 0.2s;
  background-color: #4cc9f0;
}

.logo-shape:nth-child(3) {
  animation-delay: 0.4s;
  background-color: #b5179e;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.loading-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-color);
  letter-spacing: 1px;
  background: linear-gradient(90deg, #4361ee, #f72585);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: pulse 2s infinite;
}

/* ============================================= */
/* THEME TOGGLE */
/* ============================================= */
.theme-toggle {
  position: relative;
  width: 50px;
  height: 24px;
}

.toggle-checkbox {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-label {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--light-gray);
  border-radius: 50px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5px;
}

.toggle-label i {
  font-size: 0.8rem;
  color: var(--gray-color);
}

.toggle-ball {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background-color: white;
  border-radius: 50%;
  transition: transform var(--transition-speed) ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.toggle-checkbox:checked + .toggle-label {
  background-color: var(--primary-color);
}

.toggle-checkbox:checked + .toggle-label i {
  color: white;
}

.toggle-checkbox:checked + .toggle-label .toggle-ball {
  transform: translateX(26px);
}

/* ============================================= */
/* APP CONTAINER */
/* ============================================= */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ============================================= */
/* TOP NAVIGATION */
/* ============================================= */
.top-nav {
  height: var(--top-nav-height);
  background-color: var(--topbar-bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.menu-toggle {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.25rem;
  margin-right: 1rem;
  cursor: pointer;
  transition: transform 0.2s ease;
  display: none;
}

.menu-toggle:hover {
  transform: scale(1.1);
}

.top-nav-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-container {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary-color);
  letter-spacing: -0.5px;
}

.brand-subtitle {
  font-size: 0.65rem;
  color: var(--gray-color);
  font-weight: 500;
  opacity: 0.8;
}

.main-nav {
  display: flex;
}

.main-nav.active {
  display: block;
}

.nav-items {
  display: flex;
  list-style: none;
}

.nav-item {
  margin: 0 0.5rem;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--text-color);
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
  border-radius: var(--border-radius);
}

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

.nav-item.active .nav-link {
  background-color: var(--hover-color);
  color: var(--primary-color);
  font-weight: 600;
}

.nav-link i {
  margin-right: 0.5rem;
  font-size: 1.1rem;
}

.nav-text {
  font-size: 0.9rem;
}

.top-nav-right {
  display: flex;
  align-items: center;
}

.search-container {
  position: relative;
  margin: 0 1rem;
  flex: 0 1 300px;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-color);
}

.search-input {
  width: 100%;
  padding: 0.5rem 1rem 0.5rem 2.5rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  background-color: var(--input-bg);
  color: var(--text-color);
  transition: all var(--transition-speed) ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(46, 204, 113, 0.2);
}

.user-menu {
  display: flex;
  align-items: center;
}

.user-avatar-container {
  margin-right: 0.75rem;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.user-email {
  font-size: 0.75rem;
  color: var(--gray-color);
}

/* ============================================= */
/* MAIN CONTENT */
/* ============================================= */
.main-content {
  flex: 1;
  padding: 1.5rem;
}

.content-container {
  max-width: 1400px;
  margin: 0 auto;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.content-header h1 {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-color);
}

.content-actions {
  display: flex;
  gap: 1rem;
}

/* ============================================= */
/* DASHBOARD */
/* ============================================= */
.dashboard-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.dashboard-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: 1.5rem;
  text-align: center;
  transition: box-shadow var(--transition-speed) ease;
}

.dashboard-card:hover {
  box-shadow: var(--card-hover-shadow);
}

.dashboard-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.dashboard-card .value {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.dashboard-card .description {
  font-size: 0.875rem;
  color: var(--gray-color);
}

/* ============================================= */
/* CARDS */
/* ============================================= */
.card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  transition: box-shadow var(--transition-speed) ease;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--card-hover-shadow);
}

.card-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-color);
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

/* ============================================= */
/* BUTTONS */
/* ============================================= */
.btn {
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

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

.btn-outline {
  background-color: transparent;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

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

.btn-danger {
  background-color: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background-color: #c0392b;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

/* ============================================= */
/* FORMS */
/* ============================================= */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-color);
}

.form-control {
  width: 100%;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  background-color: var(--input-bg);
  color: var(--text-color);
  transition: all var(--transition-speed) ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(46, 204, 113, 0.2);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

/* ============================================= */
/* TABLES */
/* ============================================= */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

.table th,
.table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.table th {
  font-weight: 600;
  background-color: var(--hover-color);
  color: var(--text-color);
}

.table tr:hover {
  background-color: var(--hover-color);
}

/* ============================================= */
/* BADGES */
/* ============================================= */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success {
  background-color: var(--success-color);
  color: white;
}

.badge-warning {
  background-color: var(--warning-color);
  color: white;
}

.badge-danger {
  background-color: var(--danger-color);
  color: white;
}

.badge-info {
  background-color: var(--info-color);
  color: white;
}

/* ============================================= */
/* ALERTS */
/* ============================================= */
.alert {
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.alert-success {
  background-color: rgba(46, 204, 113, 0.1);
  border-left: 4px solid var(--primary-color);
  color: var(--primary-color);
}

.alert-danger {
  background-color: rgba(231, 76, 60, 0.1);
  border-left: 4px solid var(--danger-color);
  color: var(--danger-color);
}

/* ============================================= */
/* MODAL */
/* ============================================= */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.modal.show {
  display: flex;
}

.modal-content {
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  position: relative;
}

.modal-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-color);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-color);
  transition: color var(--transition-speed) ease;
}

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

.modal-body {
  padding: 2rem;
}

/* ============================================= */
/* NOTIFICATIONS */
/* ============================================= */
.notifications-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1100;
  max-width: 400px;
}

.notification {
  display: flex;
  align-items: center;
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-bottom: 0.5rem;
  box-shadow: var(--card-shadow);
  border-left: 4px solid var(--primary-color);
}

.notification.success {
  border-left-color: var(--primary-color);
}

.notification.error {
  border-left-color: var(--danger-color);
}

.notification.info {
  border-left-color: var(--info-color);
}

.notification-icon {
  margin-right: 0.75rem;
}

.notification-message {
  flex: 1;
  font-size: 0.9rem;
}

.notification-close {
  background: none;
  border: none;
  color: var(--text-color);
  cursor: pointer;
  font-size: 1rem;
}

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

/* ============================================= */
/* SUB NAVIGATION (TABS) */
/* ============================================= */
.sub-navigation {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.btn-subsection {
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  background: none;
  border: none;
  color: var(--text-color);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-speed) ease;
}

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

.btn-subsection.active {
  border-bottom: 2px solid var(--primary-color);
  color: var(--primary-color);
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ============================================= */
/* PROGRESS BARS */
/* ============================================= */
.progress {
  height: 8px;
  background-color: var(--light-gray);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.progress-bar {
  height: 100%;
  background-color: var(--primary-color);
  transition: width 0.6s ease;
}

/* ============================================= */
/* OBRA SPECIFIC STYLES */
/* ============================================= */
.obra-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  cursor: pointer;
}

.obra-image {
  height: 180px;
  background-color: var(--light-gray);
  background-size: cover;
  background-position: center;
  border-top-left-radius: var(--border-radius);
  border-top-right-radius: var(--border-radius);
}

.obra-details {
  padding: 1.5rem;
  flex: 1;
}

.obra-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.obra-description {
  color: var(--gray-color);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.obra-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.obra-budget {
  font-weight: 600;
  color: var(--primary-color);
}

.obra-date {
  color: var(--gray-color);
  font-size: 0.875rem;
}

.obra-progress {
  margin-top: auto;
}

.obra-detail-image {
  max-width: 100%;
  border-radius: var(--border-radius);
  margin-top: 1rem;
}

/* ============================================= */
/* GRID LAYOUT */
/* ============================================= */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

/* ============================================= */
/* EMPTY STATE */
/* ============================================= */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--gray-color);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--light-gray);
}

.empty-state h3 {
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.empty-state p {
  font-size: 0.9rem;
}

/* ============================================= */
/* CONTRATO TEXT */
/* ============================================= */
.contrato-text {
  white-space: pre-wrap;
  font-family: monospace;
  font-size: 0.9rem;
  background-color: var(--input-bg);
  padding: 1rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

/* ============================================= */
/* RESPONSIVE DESIGN */
/* ============================================= */
@media (max-width: 992px) {
  .main-nav {
    position: fixed;
    top: var(--top-nav-height);
    left: -100%;
    width: var(--sidebar-width);
    height: calc(100vh - var(--top-nav-height));
    background-color: var(--sidebar-bg);
    transition: left var(--transition-speed) ease;
    z-index: 80;
    padding: 1rem;
  }

  .main-nav.active {
    left: 0;
  }

  .nav-items {
    flex-direction: column;
  }

  .nav-item {
    margin: 0.5rem 0;
  }

  .top-nav-right {
    flex: 1;
    justify-content: flex-end;
  }

  .search-container {
    flex: 0 1 200px;
  }
}

@media (max-width: 768px) {
  .content-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .search-container {
    margin: 0;
    width: 100%;
  }

  .user-info {
    display: none;
  }

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

  .dashboard-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .top-nav {
    padding: 0 1rem;
  }

  .logo-container {
    flex: 1;
  }

  .user-avatar-container {
    margin-right: 0;
  }
}