/* Professional Color Scheme for PortoDocs */
:root {
    /* Primary Colors */
    --primary-color: #2563eb;          /* Professional blue */
    --primary-hover: #1d4ed8;          /* Darker blue for hover states */
    --primary-light: #3b82f6;          /* Lighter blue for backgrounds */
    --primary-subtle: #eff6ff;         /* Very light blue for subtle backgrounds */
    
    /* Secondary Colors */
    --secondary-color: #64748b;        /* Professional slate gray */
    --secondary-hover: #475569;        /* Darker slate for hover */
    --secondary-light: #94a3b8;        /* Lighter slate */
    --secondary-subtle: #f1f5f9;       /* Very light slate background */
    
    /* Accent Colors */
    --accent-color: #059669;           /* Professional emerald green */
    --accent-hover: #047857;           /* Darker emerald for hover */
    --accent-light: #10b981;           /* Lighter emerald */
    --accent-subtle: #ecfdf5;          /* Very light emerald background */
    
    /* Warning and Error Colors */
    --warning-color: #d97706;          /* Professional amber */
    --warning-subtle: #fef3c7;         /* Light amber background */
    --error-color: #dc2626;            /* Professional red */
    --error-subtle: #fee2e2;           /* Light red background */
    
    /* Text Colors */
    --text-primary: #1e293b;           /* Dark slate for primary text */
    --text-secondary: #64748b;         /* Medium slate for secondary text */
    --text-muted: #94a3b8;             /* Light slate for muted text */
    --text-inverse: #ffffff;           /* White text for dark backgrounds */
    
    /* Background Colors */
    --background-primary: #ffffff;     /* Pure white primary background */
    --background-secondary: #f8fafc;   /* Very light gray secondary background */
    --background-tertiary: #f1f5f9;    /* Light gray tertiary background */
    --background-overlay: rgba(30, 41, 59, 0.5); /* Semi-transparent overlay */
    
    /* Surface Colors */
    --surface-primary: #ffffff;        /* White surface */
    --surface-secondary: #f8fafc;      /* Light gray surface */
    --surface-elevated: #ffffff;       /* Elevated surface (cards, modals) */
    --surface-hover: #f1f5f9;          /* Surface hover state */
    
    /* Border Colors */
    --border-primary: #e2e8f0;         /* Light gray primary border */
    --border-secondary: #cbd5e1;       /* Medium gray secondary border */
    --border-focus: #2563eb;           /* Blue focus border */
    --border-error: #dc2626;           /* Red error border */
    --border-success: #059669;         /* Green success border */
    
    /* Shadow Colors */
    --shadow-sm: 0 1px 2px 0 rgba(30, 41, 59, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(30, 41, 59, 0.1), 0 2px 4px -1px rgba(30, 41, 59, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(30, 41, 59, 0.1), 0 4px 6px -2px rgba(30, 41, 59, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(30, 41, 59, 0.1), 0 10px 10px -5px rgba(30, 41, 59, 0.04);
    
    /* Typography */
    --font-size-xs: 0.75rem;           /* 12px */
    --font-size-sm: 0.875rem;          /* 14px */
    --font-size-base: 1rem;            /* 16px */
    --font-size-lg: 1.125rem;          /* 18px */
    --font-size-xl: 1.25rem;           /* 20px */
    --font-size-2xl: 1.5rem;           /* 24px */
    --font-size-3xl: 1.875rem;         /* 30px */
    --font-size-4xl: 2.25rem;          /* 36px */
    
    /* Spacing */
    --spacing-xs: 0.25rem;              /* 4px */
    --spacing-sm: 0.5rem;               /* 8px */
    --spacing-md: 1rem;                 /* 16px */
    --spacing-lg: 1.5rem;               /* 24px */
    --spacing-xl: 2rem;                 /* 32px */
    --spacing-2xl: 3rem;                /* 48px */
    
    /* Border Radius */
    --radius-sm: 0.25rem;               /* 4px */
    --radius-md: 0.375rem;              /* 6px */
    --radius-lg: 0.5rem;                /* 8px */
    --radius-xl: 0.75rem;               /* 12px */
    --radius-full: 9999px;              /* Full radius for circular elements */
}

/* Global font family - Inter for professional appearance */
body, html {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-feature-settings: 'liga' 1, 'kern' 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ===== MOBILE-FIRST RESPONSIVE IMPROVEMENTS ===== */

/* Enhanced mobile viewport handling */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    -webkit-overflow-scrolling: touch;
}

/* Mobile-friendly tap targets */
button, .btn, a, input, select, textarea {
    min-height: 44px;
    min-width: 44px;
}

/* Improved touch targets for mobile */
@media (max-width: 768px) {
    .btn {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
    
    .btn-sm {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
        min-height: 38px;
        min-width: 38px;
    }
    
    .form-control {
        padding: 0.75rem;
        font-size: 1rem;
    }
    
    .form-control-sm {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
}

/* Prevent horizontal scroll on mobile */
.container-fluid {
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100%;
    overflow-x: hidden;
}

/* Mobile modal improvements */
@media (max-width: 576px) {
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }
    
    .modal-content {
        border-radius: 0.5rem;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 1rem;
    }
    
    .modal-title {
        font-size: 1.1rem;
    }
}

/* Improved form layouts for mobile */
@media (max-width: 768px) {
    .row > [class*="col-"] {
        margin-bottom: 1rem;
    }
    
    .row > [class*="col-"]:last-child {
        margin-bottom: 0;
    }
}

/* Mobile-friendly alerts */
@media (max-width: 576px) {
    .alert {
        margin: 0.75rem 0;
        padding: 0.75rem;
        font-size: 0.9rem;
        border-radius: 0.5rem;
    }
    
    .alert .btn-close {
        padding: 0.5rem;
    }
}

/* Better focus handling for mobile */
@media (hover: none) and (pointer: coarse) {
    .btn:focus,
    .form-control:focus,
    input:focus,
    select:focus,
    textarea:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
}

/* Prevent zoom on input focus on iOS */
@media screen and (max-width: 768px) {
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="password"],
    input[type="search"],
    input[type="url"],
    select,
    textarea {
        font-size: 16px !important;
    }
}

/* Improved scrollbar styling for mobile */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Mobile loading states */
@media (max-width: 768px) {
    .spinner-border {
        width: 1.5rem;
        height: 1.5rem;
    }
    
    .spinner-border-sm {
        width: 1rem;
        height: 1rem;
    }
}

/* Safe area handling for mobile devices with notches */
@supports (padding: max(0px)) {
    .top-navbar {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }
    
    .container-fluid {
        padding-left: max(15px, env(safe-area-inset-left));
        padding-right: max(15px, env(safe-area-inset-right));
    }
}

/* Mobile-optimized animations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid;
    }
    
    .card {
        border: 2px solid;
    }
    
    .alert {
        border: 2px solid;
    }
}

/* Dark mode support preparation */
@media (prefers-color-scheme: dark) {
    /* Future dark mode styles can be added here */
}

/* Print styles for mobile */
@media print {
    .mobile-menu,
    .navbar-user-section,
    .btn,
    .alert-dismissible .btn-close {
        display: none !important;
    }
    
    .container-fluid {
        width: 100% !important;
        max-width: none !important;
    }
}

/* Accessibility improvements */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Skip links for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    border-radius: 4px;
    text-decoration: none;
    z-index: 9999;
}

.skip-link:focus {
    top: 6px;
}