:root {
  --primary-color: #1e88e5; /* Tieferes Blau */
  --primary-dark: #1565c0;
  --primary-light: #bbdefb;
  --secondary-color: #26a69a; /* Türkis */
  --secondary-dark: #00897b;
  --danger-color: #e53935; /* Rot */
  --danger-dark: #c62828;
  --warning-color: #fb8c00; /* Orange */
  --warning-dark: #ef6c00;
  --light-color: #f5f5f5; /* Hellgrau */
  --dark-color: #263238; /* Dunkelblau */
  --dark-color-light: #37474f;
  --text-color: #333;
  --text-light: #666;
  --border-color: #ddd;
  --success-bg: rgba(38, 166, 154, 0.1);
  --danger-bg: rgba(229, 57, 53, 0.1);
  --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --header-gradient: linear-gradient(135deg, #1565c0, #0d47a1);
  --button-radius: 6px;
}

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

body {
  font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #f5f7fa;
  margin: 0;
  padding: 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

/* Typografie */
h1, h2, h3, h4, h5, h6 {
  color: var(--dark-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

h1 { font-size: 1.8rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.9rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

/* Buttons & Navigation */
.btn, button, .nav-btn, .logout-btn, .back-btn, .btn-primary {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border-radius: var(--button-radius);
  border: none;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
  white-space: nowrap;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  min-height: 42px; /* Einheitliche Höhe für alle Buttons */
  line-height: 1.5;
}

.btn:hover, button:hover, .nav-btn:hover, .logout-btn:hover, .back-btn:hover, .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn:active, button:active, .nav-btn:active, .logout-btn:active, .back-btn:active, .btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-primary, .nav-btn {
  background-color: var(--primary-color);
  color: white;
  border: 1px solid var(--primary-dark);
}

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

.btn-success, .start-btn {
  background-color: var(--secondary-color);
  color: white;
  border: 1px solid var(--secondary-dark);
}

.btn-success:hover, .start-btn:hover {
  background-color: var(--secondary-dark);
}

.btn-danger, .stop-btn, .logout-btn, .clear-btn {
  background-color: var(--danger-color);
  color: white;
  border: 1px solid var(--danger-dark);
}

.btn-danger:hover, .stop-btn:hover, .logout-btn:hover, .clear-btn:hover {
  background-color: var(--danger-dark);
}

.btn-warning {
  background-color: var(--warning-color);
  color: white;
  border: 1px solid var(--warning-dark);
}

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

.order-btn {
  background-color: var(--primary-color);
  color: white;
  border: 1px solid var(--primary-dark);
}

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

.back-btn {
  background-color: var(--dark-color);
  color: white;
  border: 1px solid var(--dark-color-light);
  /* Keine spezielle Größe hier mehr */
}

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

.export-btn {
  background-color: var(--secondary-color);
  color: white;
  border: 1px solid var(--secondary-dark);
}

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

.details-btn {
  background-color: var(--primary-color);
  color: white;
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  border-radius: 4px;
  border: 1px solid var(--primary-dark);
}

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

.cancel-btn {
  background-color: var(--danger-color);
  color: white;
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  border-radius: 4px;
  border: 1px solid var(--danger-dark);
}

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

/* Header & Navigation */
header, nav {
  background: var(--header-gradient);
  color: white;
  padding: 1rem;
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200; /* Erhöhter z-index für Navigation */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.nav-container h1 {
  font-size: 1.2rem;
  color: white;
  margin: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.nav-links, .user-info {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.nav-links a, .user-info a {
  padding: 0.6rem 1rem;
  color: white;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--button-radius);
  transition: background 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-links a:hover, .user-info a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.nav-links .btn-danger, .user-info .btn-danger {
  background: rgba(229, 57, 53, 0.8);
}

.nav-links .btn-danger:hover, .user-info .btn-danger:hover {
  background: var(--danger-color);
}

.user-info span {
  display: none;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.4rem 0.8rem;
  border-radius: var(--button-radius);
  font-size: 0.9rem;
}

.hamburger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
  z-index: 200;
}

.hamburger-menu span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: white;
  border-radius: 3px;
  transition: var(--transition);
}

.hamburger-menu.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Cards & Panels */
.card, .panel, .bot-control, .status-panel, .api-status, .order-form, .ib-data-panel, 
.login-container, .signals-dashboard, .admin-container {
  background-color: white;
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s;
}

.card:hover, .panel:hover, .signals-dashboard:hover {
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.12);
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

/* Status Indicators */
.status-indicator {
  padding: 0.7rem 1rem;
  border-radius: var(--button-radius);
  text-align: center;
  font-weight: 500;
  margin: 1rem 0;
}

.connected {
  background-color: var(--secondary-color);
  color: white;
  box-shadow: 0 2px 4px rgba(38, 166, 154, 0.3);
}

.disconnected {
  background-color: var(--danger-color);
  color: white;
  box-shadow: 0 2px 4px rgba(229, 57, 53, 0.3);
}

.auth-status {
  padding: 0.7rem 1rem;
  border-radius: var(--button-radius);
  text-align: center;
  margin: 1rem 0;
  font-weight: 500;
}

.auth-status.authenticated {
  background-color: var(--secondary-color);
  color: white;
  box-shadow: 0 2px 4px rgba(38, 166, 154, 0.3);
}

.auth-status.waiting {
  background-color: var(--warning-color);
  color: white;
  box-shadow: 0 2px 4px rgba(251, 140, 0, 0.3);
}

.auth-status.error {
  background-color: var(--danger-color);
  color: white;
  box-shadow: 0 2px 4px rgba(229, 57, 53, 0.3);
}

.auth-status.clickable {
  cursor: pointer;
}

.auth-status.clickable:hover {
  background-color: var(--danger-dark);
}

@keyframes spin {
  from {transform: rotate(0deg);}
  to {transform: rotate(360deg);}
}

.auth-status.waiting::before {
  content: '⟳';
  display: inline-block;
  margin-right: 5px;
  animation: spin 1s linear infinite;
}

/* Form Elements */
.form-group {
  margin-bottom: 1.2rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-light);
  font-weight: 500;
  font-size: 0.9rem;
}

small {
  display: block;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.3rem;
}

details {
  margin: 1rem 0;
  padding: 0.8rem;
  border-radius: var(--button-radius);
  background-color: rgba(0, 0, 0, 0.02);
}

summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--primary-color);
  padding: 0.5rem 0;
}

summary:hover {
  color: var(--primary-dark);
}

details[open] summary {
  margin-bottom: 1rem;
}

input, select, textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: var(--button-radius);
  font-size: 0.9rem;
  font-family: inherit;
  transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.2);
}

button {
  width: 100%;
  padding: 0.8rem 1.2rem;
  margin-top: 0.5rem;
}

/* Tables */
.signals-table-container {
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  position: relative;
}

.signals-table, .ib-table, table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 0;
  font-size: 0.9rem;
}

.signals-table th, .signals-table td,
.ib-table th, .ib-table td,
table th, table td {
  padding: 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.signals-table th, .ib-table th, table th {
  background-color: white;
  font-weight: 600;
  color: var(--text-light);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 0 var(--border-color);
}

.signals-table tr:hover, .ib-table tr:hover, table tr:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

.signal-row.success td {
  background-color: var(--success-bg);
}

.signal-row.failed td {
  background-color: var(--danger-bg);
}

/* Status badges */
.status-badge, .action-badge {
  display: inline-block;
  padding: 0.3rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

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

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

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

.action-badge.buy {
  background-color: var(--secondary-color);
  color: white;
}

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

/* Signals Dashboard */
.signals-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.signals-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
  width: 100%;
}

.stat-item {
  background-color: rgba(0, 0, 0, 0.02);
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s;
}

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.12);
}

.stat-item span {
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 0.3rem;
}

.stat-value {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark-color);
}

/* Filter & Actions */
.signals-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background-color: rgba(0, 0, 0, 0.02);
  border-radius: 8px;
  width: 100%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.signals-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 1rem;
  justify-content: flex-end;
  flex-wrap: wrap;
  align-items: center;
}

.signals-actions form, 
.signals-actions button, 
.signals-actions a {
  width: auto;
  margin: 0;
  height: 42px; /* Einheitliche Höhe für alle Buttons */
  display: flex;
  align-items: center;
  justify-content: center;
}

/* API Key Management */
.api-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.api-info-item {
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  background-color: rgba(0, 0, 0, 0.02);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s;
}

.api-info-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.12);
}

.api-info-item.active {
  background-color: var(--success-bg);
  border-left: 3px solid var(--secondary-color);
}

.api-info-item.inactive {
  background-color: var(--danger-bg);
  border-left: 3px solid var(--danger-color);
}

.api-info-item h4 {
  margin: 0 0 0.5rem 0;
  font-size: 0.9rem;
}

.api-key-box {
  background-color: rgba(0, 0, 0, 0.02);
  padding: 1rem;
  border-radius: var(--button-radius);
  margin: 1rem 0;
  word-break: break-all;
  font-family: monospace;
  font-size: 0.9rem;
  position: relative;
  border: 1px solid var(--border-color);
}

.copy-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  padding: 0.4rem 0.6rem;
  font-size: 0.8rem;
  width: auto;
}

.api-key-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 1rem;
}

.api-key-actions form, .api-key-actions button {
  flex: 1;
}

.api-key-warning {
  color: var(--danger-color);
  margin: 1rem 0;
  padding: 1rem;
  background-color: var(--danger-bg);
  border-radius: var(--button-radius);
  font-size: 0.9rem;
  border-left: 3px solid var(--danger-color);
}

.api-instructions {
  margin-top: 1.5rem;
  padding: 1rem;
  background-color: rgba(0, 0, 0, 0.02);
  border-radius: var(--button-radius);
  font-size: 0.9rem;
}

.api-instructions pre {
  background-color: var(--dark-color);
  color: white;
  padding: 1rem;
  border-radius: var(--button-radius);
  overflow-x: auto;
  margin: 0.8rem 0;
}

.api-instructions ul, .api-instructions ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.api-instructions li {
  margin-bottom: 0.5rem;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  overflow: auto;
}

.modal-content {
  background-color: white;
  margin: 10% auto;
  padding: 1.5rem;
  border-radius: 12px;
  max-width: 500px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  position: relative;
  animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.2s;
}

.close:hover {
  color: black;
}

.signal-details {
  margin-top: 1rem;
}

.signal-details h3 {
  margin-top: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.signal-details pre {
  background-color: rgba(0, 0, 0, 0.02);
  padding: 1rem;
  border-radius: var(--button-radius);
  overflow-x: auto;
  margin: 0.8rem 0;
  font-family: monospace;
  font-size: 0.9rem;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.pagination a {
  display: inline-block;
  padding: 0.5rem 0.8rem;
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: var(--button-radius);
  color: var(--text-color);
  font-size: 0.9rem;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.pagination a:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.12);
}

.pagination a.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.pagination .ellipsis {
  display: inline-block;
  padding: 0.5rem 0.8rem;
  color: var(--text-light);
}

/* Alerts */
.alert {
  padding: 1rem;
  border-radius: var(--button-radius);
  margin-bottom: 1.5rem;
  font-weight: 500;
  animation: slideIn 0.3s ease-out;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.alert.success {
  background-color: var(--success-bg);
  color: var(--secondary-dark);
  border-left: 4px solid var(--secondary-color);
}

.alert.error {
  background-color: var(--danger-bg);
  color: var(--danger-dark);
  border-left: 4px solid var(--danger-color);
}

.alert.warning {
  background-color: rgba(251, 140, 0, 0.1);
  color: var(--warning-dark);
  border-left: 4px solid var(--warning-color);
}

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

/* Login Page */
.login-container {
  max-width: 400px;
  margin: 5rem auto;
  text-align: center;
  animation: fadeIn 0.5s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-container h1 {
  margin-bottom: 2rem;
}

.login-btn {
  background-color: var(--primary-color);
  color: white;
  padding: 0.8rem;
  width: 100%;
  border: 1px solid var(--primary-dark);
}

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

/* Profit/Loss Colors */
.profit {
  background-color: var(--success-bg);
}

.loss {
  background-color: var(--danger-bg);
}

/* Connection Details */
.connection-details {
  margin-top: 1rem;
}

.status-item {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

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

.status-item label {
  display: inline;
  margin: 0;
  font-weight: 500;
}

/* Logs & Admin */
.log-table {
  width: 100%;
  border-collapse: collapse;
}

.log-table th, .log-table td {
  padding: 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.log-table th {
  background-color: rgba(0, 0, 0, 0.02);
}

.action-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.action-buttons a, .action-buttons form, .action-buttons button {
  margin: 0;
  width: auto;
}

pre.log-content {
  background-color: rgba(0, 0, 0, 0.02);
  padding: 1rem;
  border-radius: var(--button-radius);
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: 70vh;
  overflow-y: auto;
  font-family: monospace;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
}

.admin-panel {
  text-align: center;
  margin: 2rem auto;
  max-width: 800px;
}

.admin-panel p {
  margin-bottom: 1.5rem;
}

.admin-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.admin-actions a {
  min-width: 150px;
}

.search-form {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.search-form input {
  flex: 1;
  min-width: 200px;
}

.search-form button, .search-form a {
  width: auto;
}

/* IB Data Display */
#ibDataDisplay {
  margin-top: 1rem;
}

#ibDataDisplay h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.8rem;
}

/* Message Area */
.message-container {
  position: relative;
  margin: 1rem 0;
}

.message-container pre {
  background-color: rgba(0, 0, 0, 0.02);
  padding: 1rem;
  border-radius: var(--button-radius);
  overflow-x: auto;
  font-family: monospace;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
}

.message-copy-btn {
  margin-top: 0.8rem;
}

/* No-data message */
.no-data {
  padding: 2rem;
  text-align: center;
  color: var(--text-light);
  font-style: italic;
}

/* Open hamburger menu */
.nav-links.responsive {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--header-gradient);
  padding: 1rem;
  z-index: 100;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Mobile Styles */
@media (max-width: 768px) {
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.4rem; }
  h3 { font-size: 1.2rem; }
  
  .container {
    padding: 0.8rem;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .signals-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .signals-stats {
    margin-top: 1rem;
  }
  
  .signals-filters {
    grid-template-columns: 1fr;
  }
  
  .signals-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .signals-actions form, .signals-actions button, .signals-actions a {
    width: 100%;
  }
  
  .api-info {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    margin: 5% auto;
    width: 95%;
  }
  
  .nav-container {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .nav-links {
    display: none;
    width: 100%;
    margin-top: 1rem;
  }
  
  .nav-links a {
    width: 100%;
    margin: 0.3rem 0;
    text-align: center;
  }
  
  .hamburger-menu {
    display: flex;
    position: absolute;
    right: 1rem;
    top: 1.2rem;
  }
  
  .search-form {
    flex-direction: column;
  }
  
  .search-form input, .search-form button, .search-form a {
    width: 100%;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .action-buttons a, .action-buttons form, .action-buttons button {
    width: 100%;
  }
  
  table, .signals-table, .ib-table {
    font-size: 0.8rem;
  }
  
  table th, .signals-table th, .ib-table th,
  table td, .signals-table td, .ib-table td {
    padding: 0.6rem;
  }
  
  /* Optional: Hide less important columns on mobile */
  .signals-table th:nth-child(5),
  .signals-table td:nth-child(5) {
    display: none;
  }
}

/* Größere Smartphones und kleine Tablets */
@media (min-width: 481px) and (max-width: 768px) {
  .signals-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .user-info span {
    display: inline;
  }
}

/* Tablets und größere Bildschirme */
@media (min-width: 769px) {
  .signals-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .user-info span {
    display: inline;
  }
  
  /* Dashboard mit Spalten */
  .dashboard-grid {
    grid-template-areas:
      "bot-control connection-status"
      "api-status order-form"
      "ib-data ib-data";
    grid-template-columns: 1fr 1fr;
  }
  
  .bot-control { grid-area: bot-control; }
  .status-panel { grid-area: connection-status; }
  .api-status { grid-area: api-status; }
  .order-form { grid-area: order-form; }
  .ib-data-panel { grid-area: ib-data; }
}

/* Fix für iOS Safari Viewport-Probleme */
@supports (-webkit-touch-callout: none) {
  body {
    min-height: -webkit-fill-available;
  }
  
  html {
    height: -webkit-fill-available;
  }
}