/* ====================================
   CERBERUS FTP - MODERN THEME
   Cyan, Gray & Yellow Color Scheme
   ==================================== */

/* ====================================
   Root Color Variables
   ==================================== */

:root {
    --color-primary: #00bcd4;
    --color-primary-dark: #0097a7;
    --color-primary-light: #e0f7fa;
    
    --color-accent: #ffc107;
    --color-accent-dark: #ffa000;
    --color-accent-light: #fff9c4;
    
    --color-gray-dark: #2c3e50;
    --color-gray: #546e7a;
    --color-gray-light: #90a4ae;
    --color-gray-lighter: #eceff1;
    --color-gray-lightest: #f5f7fa;
    
    --color-success: #4caf50;
    --color-danger: #f44336;
    --color-warning: #ffc107;
    --color-info: #2196f3;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    
    --border-radius: 4px;
    --transition: all 0.3s ease;
}

/* ====================================
   General Styles
   ==================================== */

body {
    color: var(--color-gray-dark);
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--color-gray-lightest);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-gray-dark);
    font-weight: 600;
}

/* ====================================
   Navigation & Breadcrumbs
   ==================================== */

.breadcrumb {
    background-color: #fff;
    border: 1px solid #e8ecf1;
    border-radius: var(--border-radius);
    padding: 10px 16px;
    margin-bottom: 20px;
}

.breadcrumb > li + li:before {
    content: " / ";
    color: var(--color-gray-light);
}

.breadcrumb > li > a {
    color: var(--color-primary);
    text-decoration: none;
}

.breadcrumb > li > a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.breadcrumb > li.active {
    color: var(--color-gray);
}

/* ====================================
   Lists & Navigation
   ==================================== */

.nav-tabs {
    border-bottom: 2px solid #e8ecf1;
    background-color: #fff;
}

.nav-tabs > li > a {
    color: var(--color-gray);
    border: none;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    padding: 12px 16px;
}

.nav-tabs > li > a:hover {
    color: var(--color-primary);
    background-color: transparent;
    border-bottom-color: var(--color-primary-light);
}

.nav-tabs > li.active > a,
.nav-tabs > li.active > a:focus,
.nav-tabs > li.active > a:hover {
    color: var(--color-primary);
    background-color: transparent;
    border: none;
    border-bottom: 3px solid var(--color-primary);
}

.nav-pills > li > a {
    background-color: #fff;
    border: 1px solid #e8ecf1;
    border-radius: var(--border-radius);
    color: var(--color-gray);
    transition: var(--transition);
    margin-right: 4px;
}

.nav-pills > li > a:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-color: var(--color-primary);
}

.nav-pills > li.active > a,
.nav-pills > li.active > a:focus,
.nav-pills > li.active > a:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* ====================================
   List Groups
   ==================================== */

.list-group {
    border: 1px solid #e8ecf1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.list-group-item {
    border: none;
    border-bottom: 1px solid #e8ecf1;
    padding: 12px 16px;
    background-color: #fff;
    transition: var(--transition);
}

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

.list-group-item:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.list-group-item.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.list-group-item.list-group-item-success {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.list-group-item.list-group-item-danger {
    background-color: #ffebee;
    color: #c62828;
}

.list-group-item.list-group-item-warning {
    background-color: #fff3e0;
    color: #e65100;
}

.list-group-item.list-group-item-info {
    background-color: #e3f2fd;
    color: #0d47a1;
}

/* ====================================
   Dropdowns
   ==================================== */

.dropdown-menu {
    border: 1px solid #e8ecf1;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    padding: 8px 0;
    background-color: #fff;
}

.dropdown-menu > li > a {
    padding: 10px 20px;
    color: var(--color-gray);
    transition: var(--transition);
}

.dropdown-menu > li > a:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.dropdown-menu > .active > a,
.dropdown-menu > .active > a:focus,
.dropdown-menu > .active > a:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.dropdown-menu > .divider {
    background-color: #e8ecf1;
    margin: 8px 0;
}

.dropdown-menu > .dropdown-header {
    color: var(--color-gray);
    font-weight: 600;
    padding: 10px 20px;
}

/* ====================================
   Pagination
   ==================================== */

.pagination > li > a,
.pagination > li > span {
    color: var(--color-primary);
    border: 1px solid #e8ecf1;
    border-radius: var(--border-radius);
    margin: 0 4px;
    padding: 8px 12px;
    transition: var(--transition);
}

.pagination > li > a:hover,
.pagination > li > a:focus {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-color: var(--color-primary);
}

.pagination > .active > a,
.pagination > .active > a:focus,
.pagination > .active > a:hover,
.pagination > .active > span,
.pagination > .active > span:focus,
.pagination > .active > span:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.pagination > .disabled > a,
.pagination > .disabled > a:focus,
.pagination > .disabled > a:hover,
.pagination > .disabled > span,
.pagination > .disabled > span:focus,
.pagination > .disabled > span:hover {
    background-color: #f5f7fa;
    border-color: #e8ecf1;
    color: var(--color-gray-light);
    cursor: not-allowed;
}

/* ====================================
   Well & Jumbotron
   ==================================== */

.well {
    background-color: #f5f9fb;
    border: 1px solid #e8ecf1;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.jumbotron {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, #fff 100%);
    border: 1px solid #e0f7fa;
    border-radius: var(--border-radius);
    padding: 30px;
}

.jumbotron h1,
.jumbotron h2 {
    color: var(--color-primary-dark);
}

.jumbotron p {
    color: var(--color-gray);
    font-size: 1.1em;
}

/* ====================================
   Tooltips & Popovers
   ==================================== */

.tooltip-inner {
    background-color: var(--color-gray-dark);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.tooltip.top .tooltip-arrow {
    border-top-color: var(--color-gray-dark);
}

.tooltip.right .tooltip-arrow {
    border-right-color: var(--color-gray-dark);
}

.tooltip.bottom .tooltip-arrow {
    border-bottom-color: var(--color-gray-dark);
}

.tooltip.left .tooltip-arrow {
    border-left-color: var(--color-gray-dark);
}

.popover {
    border: 1px solid #e8ecf1;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.popover-title {
    background-color: var(--color-primary);
    color: #fff;
    border-bottom: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    padding: 12px 16px;
}

/* ====================================
   Loading Indicators
   ==================================== */

.loading {
    color: var(--color-primary);
}

.spinner {
    border: 4px solid var(--color-gray-lighter);
    border-top-color: var(--color-primary);
    animation: spin 1s linear infinite;
}

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

/* ====================================
   Utility Classes
   ==================================== */

.text-primary {
    color: var(--color-primary) !important;
}

.text-success {
    color: var(--color-success) !important;
}

.text-danger {
    color: var(--color-danger) !important;
}

.text-warning {
    color: var(--color-warning) !important;
}

.text-info {
    color: var(--color-info) !important;
}

.bg-primary {
    background-color: var(--color-primary) !important;
    color: #fff !important;
}

.bg-success {
    background-color: var(--color-success) !important;
    color: #fff !important;
}

.bg-danger {
    background-color: var(--color-danger) !important;
    color: #fff !important;
}

.bg-warning {
    background-color: var(--color-warning) !important;
    color: #000 !important;
}

.bg-info {
    background-color: var(--color-info) !important;
    color: #fff !important;
}

.border-primary {
    border-color: var(--color-primary) !important;
}

.border-success {
    border-color: var(--color-success) !important;
}

.border-danger {
    border-color: var(--color-danger) !important;
}

.border-warning {
    border-color: var(--color-warning) !important;
}

.border-info {
    border-color: var(--color-info) !important;
}

/* ====================================
   Print Styles
   ==================================== */

@media print {
    .navbar,
    .sidebar-nav,
    .btn,
    .pagination,
    .breadcrumb {
        display: none;
    }
    
    body {
        background-color: #fff;
    }
}