/* Professional Color Palette for Angio Extranet */

/* === MUTED PROFESSIONAL COLOR VARIABLES === */
:root {
    /* Primary Brand Colors - Subtle Blues */
    --primary-blue: #4f6b87;
    --primary-blue-dark: #3e5469;
    --primary-blue-light: #6b7f95;
    
    /* Secondary Colors - Muted Teal */
    --secondary-teal: #5a7a7a;
    --secondary-teal-dark: #4a6464;
    --secondary-teal-light: #6e8e8e;
    
    /* Success Colors - Soft Green */
    --success-green: #5d7c5d;
    --success-green-dark: #4a634a;
    --success-green-light: #709470;
    
    /* Warning Colors - Muted Amber */
    --warning-amber: #8b7355;
    --warning-amber-dark: #6f5b44;
    --warning-amber-light: #a08a66;
    
    /* Danger Colors - Soft Red */
    --danger-red: #8b5a5a;
    --danger-red-dark: #6f4747;
    --danger-red-light: #a06d6d;
    
    /* Neutral Colors */
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
}

/* === NAVBAR PROFESSIONAL STYLING === */
.navbar-default {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    border: none;
    box-shadow: 0 2px 12px rgba(79, 107, 135, 0.12);
    backdrop-filter: blur(8px);
}

.navbar-default .navbar-brand {
    color: #ffffff !important;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.navbar-default .navbar-brand strong,
.navbar-default .navbar-brand span,
.navbar-default .navbar-brand i {
    color: #ffffff !important;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.35);
}

.navbar-default .navbar-brand .navbar-brand-logo {
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.35));
}

.navbar-default .navbar-brand:hover {
    color: var(--neutral-100) !important;
}

.navbar-default .navbar-nav > li > a {
    color: var(--neutral-100) !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus {
    color: #ffffff !important;
    background: rgba(255,255,255,0.1) !important;
    border-radius: 6px;
}

.navbar-default .navbar-nav > .active > a {
    background: rgba(255,255,255,0.15) !important;
    color: #ffffff !important;
    border-radius: 6px;
}

/* === SIDEBAR PROFESSIONAL STYLING === */
.sidebar {
    background: linear-gradient(180deg, var(--neutral-50), var(--neutral-100));
    border-right: 1px solid var(--neutral-200);
    box-shadow: 2px 0 15px rgba(0,0,0,0.05);
}

#side-menu > li > a {
    color: var(--neutral-700);
    font-weight: 500;
    border-radius: 8px;
    margin: 3px 10px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

#side-menu > li > a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(79, 107, 135, 0.08), transparent);
    transition: left 0.4s ease;
}

#side-menu > li > a:hover {
    background: linear-gradient(135deg, var(--primary-blue-light), var(--primary-blue));
    color: #ffffff !important;
    transform: translateX(3px);
    box-shadow: 0 2px 8px rgba(79, 107, 135, 0.2);
}

#side-menu > li > a:hover::before {
    left: 100%;
}

#side-menu > li.active > a {
    background: linear-gradient(135deg, var(--secondary-teal), var(--secondary-teal-dark));
    color: #ffffff !important;
    border-left: 4px solid var(--success-green);
}

/* === PANEL PROFESSIONAL STYLING === */
.panel {
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    overflow: hidden;
}

.panel:hover {
    box-shadow: 0 4px 18px rgba(0,0,0,0.08);
    transform: translateY(-1px);
}

.panel-primary {
    border-top: 4px solid var(--primary-blue);
}

.panel-primary > .panel-heading {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: #ffffff;
    border-bottom: none;
    font-weight: 600;
}

.panel-success {
    border-top: 4px solid var(--success-green);
}

.panel-success > .panel-heading {
    background: linear-gradient(135deg, var(--success-green), var(--success-green-dark));
    color: #ffffff;
    border-bottom: none;
}

.panel-warning {
    border-top: 4px solid var(--warning-amber);
}

.panel-warning > .panel-heading {
    background: linear-gradient(135deg, var(--warning-amber), var(--warning-amber-dark));
    color: #ffffff;
    border-bottom: none;
}

.panel-danger {
    border-top: 4px solid var(--danger-red);
}

.panel-danger > .panel-heading {
    background: linear-gradient(135deg, var(--danger-red), var(--danger-red-dark));
    color: #ffffff;
    border-bottom: none;
}

.panel-info {
    border-top: 4px solid var(--secondary-teal);
}

.panel-info > .panel-heading {
    background: linear-gradient(135deg, var(--secondary-teal), var(--secondary-teal-dark));
    color: #ffffff;
    border-bottom: none;
}

.panel-default > .panel-heading {
    background: linear-gradient(135deg, var(--neutral-100), var(--neutral-200));
    color: var(--neutral-700);
    border-bottom: none;
    font-weight: 600;
}

.panel-body {
    background: #ffffff;
    color: var(--neutral-700);
}

.panel-footer {
    background: var(--neutral-50);
    border-top: 1px solid var(--neutral-200);
    color: var(--neutral-600);
}

/* === BUTTON PROFESSIONAL STYLING === */
.btn {
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: none;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    box-shadow: 0 2px 8px rgba(79, 107, 135, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    transform: translateY(-1px);
    box-shadow: 0 3px 12px rgba(79, 107, 135, 0.25);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-green), var(--success-green-dark));
    box-shadow: 0 2px 8px rgba(93, 124, 93, 0.2);
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--success-green-dark), var(--success-green));
    transform: translateY(-1px);
    box-shadow: 0 3px 12px rgba(93, 124, 93, 0.25);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-amber), var(--warning-amber-dark));
    box-shadow: 0 2px 8px rgba(139, 115, 85, 0.2);
}

.btn-warning:hover {
    background: linear-gradient(135deg, var(--warning-amber-dark), var(--warning-amber));
    transform: translateY(-1px);
    box-shadow: 0 3px 12px rgba(139, 115, 85, 0.25);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-red), var(--danger-red-dark));
    box-shadow: 0 2px 8px rgba(139, 90, 90, 0.2);
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-red-dark), var(--danger-red));
    transform: translateY(-1px);
    box-shadow: 0 3px 12px rgba(139, 90, 90, 0.25);
}

.btn-info {
    background: linear-gradient(135deg, var(--secondary-teal), var(--secondary-teal-dark));
    box-shadow: 0 2px 8px rgba(90, 122, 122, 0.2);
}

.btn-info:hover {
    background: linear-gradient(135deg, var(--secondary-teal-dark), var(--secondary-teal));
    transform: translateY(-1px);
    box-shadow: 0 3px 12px rgba(90, 122, 122, 0.25);
}

.btn-default {
    background: linear-gradient(135deg, var(--neutral-100), var(--neutral-200));
    color: var(--neutral-700);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn-default:hover {
    background: linear-gradient(135deg, var(--neutral-200), var(--neutral-300));
    color: var(--neutral-800);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

/* === BADGES AND LABELS === */
.badge {
    background: linear-gradient(135deg, var(--danger-red), var(--danger-red-dark));
    color: #ffffff;
    font-weight: 600;
    border-radius: 12px;
    box-shadow: 0 1px 4px rgba(139, 90, 90, 0.2);
}

.label-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
}

.label-success {
    background: linear-gradient(135deg, var(--success-green), var(--success-green-dark));
}

.label-warning {
    background: linear-gradient(135deg, var(--warning-amber), var(--warning-amber-dark));
}

.label-danger {
    background: linear-gradient(135deg, var(--danger-red), var(--danger-red-dark));
}

.label-info {
    background: linear-gradient(135deg, var(--secondary-teal), var(--secondary-teal-dark));
}

/* === ALERTS === */
.alert {
    border: none;
    border-radius: 10px;
    border-left: 4px solid;
}

.alert-success {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.1), rgba(16, 185, 129, 0.05));
    border-left-color: var(--success-green);
    color: var(--success-green-dark);
}

.alert-info {
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.1), rgba(6, 182, 212, 0.05));
    border-left-color: var(--secondary-teal);
    color: var(--secondary-teal-dark);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.1), rgba(245, 158, 11, 0.05));
    border-left-color: var(--warning-amber);
    color: var(--warning-amber-dark);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.1), rgba(239, 68, 68, 0.05));
    border-left-color: var(--danger-red);
    color: var(--danger-red-dark);
}

/* === FORM ELEMENTS === */
.form-control {
    border: 2px solid var(--neutral-200);
    border-radius: 8px;
    transition: all 0.3s ease;
    color: var(--neutral-700);
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

/* === PAGE WRAPPER === */
#page-wrapper {
    background: linear-gradient(135deg, var(--neutral-50), #ffffff);
    min-height: 100vh;
}

/* === TYPOGRAPHY === */
.page-header {
    color: var(--neutral-800);
    border-bottom: 3px solid var(--primary-blue);
    font-weight: 700;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--neutral-800);
    font-weight: 600;
}

/* === RESPONSIVE ENHANCEMENTS === */
@media (max-width: 768px) {
    .navbar-default {
        background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    }
    
    .sidebar {
        background: var(--neutral-50);
    }
    
    .panel {
        margin-bottom: 20px;
        border-radius: 8px;
    }
    
    .btn {
        padding: 12px 20px;
    }
}

/* === LOADING ANIMATIONS === */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s infinite;
}

/* === PROFESSIONAL SHADOWS === */
.shadow-sm {
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.shadow-md {
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.shadow-lg {
    box-shadow: 0 8px 30px rgba(0,0,0,0.16);
}