/* 
 * Enhanced Color Theme with Better Contrast
 * Fixes visibility issues in NeighbourGuard™ interface
 * AfricaTalking inspired color scheme
 */

/* Enhanced contrast variables with AfricaTalking inspiration */
:root {
    /* AfricaTalking inspired colors */
    --at-orange: #FF6B35;
    --at-orange-light: #FF8A5C;
    --at-orange-dark: #E55A2B;
    --at-blue: #1E3A8A;
    --at-blue-light: #3B82F6;
    --at-blue-dark: #1E40AF;
    --at-green: #059669;
    --at-green-light: #10B981;
    --at-purple: #7C3AED;
    --at-gray: #374151;
    --at-gray-light: #9CA3AF;
    --at-gray-dark: #1F2937;

    /* Improved text contrast with AfricaTalking theme */
    --color-text-primary-enhanced: #1F2937;
    /* Dark gray for excellent contrast */
    --color-text-secondary-enhanced: #374151;
    /* Medium gray for secondary text */
    --color-text-muted-enhanced: #6B7280;
    /* Slightly darker muted text */

    /* Enhanced button colors with AfricaTalking palette */
    --color-button-text-enhanced: #ffffff;
    /* Pure white for buttons */
    --color-button-border-enhanced: #374151;
    /* Darker border for visibility */
    --color-primary-enhanced: var(--at-orange);
    /* AfricaTalking orange */
    --color-secondary-enhanced: var(--at-blue);
    /* AfricaTalking blue */

    /* Improved toggle button colors */
    --color-toggle-default: #374151;
    /* Dark gray for better visibility */
    --color-toggle-hover: #111827;
    /* Very dark on hover */
    --color-toggle-background-hover: #f3f4f6;
    /* Light background on hover */

    /* Enhanced focus colors */
    --color-focus-ring: var(--at-blue-light);
    /* Blue focus ring */
    --color-focus-ring-offset: 2px;

    /* Improved modal colors */
    --color-modal-overlay: rgba(0, 0, 0, 0.6);
    /* Darker overlay for better modal visibility */
    --color-modal-background: #ffffff;
    /* Pure white modal background */
    --color-modal-border: #e5e7eb;
    /* Light border for modal definition */

    /* Enhanced input colors */
    --color-input-border: #d1d5db;
    /* Visible input borders */
    --color-input-border-focus: var(--at-blue-light);
    /* Blue border on focus */
    --color-input-background: #ffffff;
    /* White input background */
    --color-input-text: #111827;
    /* Dark text in inputs */

    /* Better notification colors */
    --color-notification-success: #10b981;
    --color-notification-error: #ef4444;
    --color-notification-warning: #f59e0b;
    --color-notification-info: #3b82f6;
}

/* Apply enhanced contrast to body text */
body {
    color: var(--color-text-primary-enhanced) !important;
}

/* Enhanced password toggle visibility */
.password-toggle {
    color: var(--color-toggle-default) !important;
    background: transparent !important;
    border: 1px solid var(--color-button-border-enhanced) !important;
    border-radius: 4px !important;
    min-width: 32px !important;
    min-height: 32px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.password-toggle:hover {
    color: var(--color-toggle-hover) !important;
    background: var(--color-toggle-background-hover) !important;
    border-color: var(--color-toggle-hover) !important;
}

.password-toggle:focus {
    outline: 2px solid var(--color-focus-ring) !important;
    outline-offset: var(--color-focus-ring-offset) !important;
    border-color: var(--color-focus-ring) !important;
}

/* Enhanced icon visibility */
.password-toggle .show-icon,
.password-toggle .hide-icon {
    font-size: 16px !important;
    font-weight: bold !important;
    color: inherit !important;
}

/* Better input field contrast */
.form-input {
    border: 2px solid var(--color-input-border) !important;
    background: var(--color-input-background) !important;
    color: var(--color-input-text) !important;
}

.form-input:focus {
    border-color: var(--color-input-border-focus) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
}

/* Enhanced button visibility */
.cta-button,
.auth-button,
.auth-option-button {
    border: 2px solid transparent !important;
    font-weight: 600 !important;
    min-height: 44px !important;
    /* Better touch targets */
}

.cta-button--primary {
    background: var(--color-primary) !important;
    color: var(--color-button-text-enhanced) !important;
    border-color: var(--color-primary) !important;
}

.cta-button--secondary {
    background: var(--color-secondary) !important;
    color: var(--color-button-text-enhanced) !important;
    border-color: var(--color-secondary) !important;
}

.cta-button--tertiary {
    background: transparent !important;
    color: #000000 !important;
    border-color: var(--color-button-border-enhanced) !important;
}

.cta-button--tertiary:hover {
    background: var(--color-gray-50) !important;
    color: #000000 !important;
    border-color: #000000 !important;
}

/* Enhanced modal visibility */
.modal {
    background: var(--color-modal-background) !important;
    border: 1px solid var(--color-modal-border) !important;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.1) !important;
}

.modal-overlay {
    background: var(--color-modal-overlay) !important;
}

/* Better form labels */
.form-label {
    color: var(--color-text-primary-enhanced) !important;
    font-weight: 600 !important;
}

/* Enhanced dropdown visibility */
.form-select {
    border: 2px solid var(--color-input-border) !important;
    background: var(--color-input-background) !important;
    color: var(--color-input-text) !important;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%23374151' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 8l4 4 4-4'/%3E%3C/svg%3E") !important;
}

.form-select:focus {
    border-color: var(--color-input-border-focus) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
}

/* Enhanced notification visibility */
.notification {
    border: 1px solid !important;
    font-weight: 500 !important;
}

.notification--success {
    background: var(--color-success-50) !important;
    color: var(--color-success-700) !important;
    border-color: var(--color-notification-success) !important;
}

.notification--error {
    background: var(--color-error-50) !important;
    color: var(--color-error-700) !important;
    border-color: var(--color-notification-error) !important;
}

.notification--warning {
    background: var(--color-warning-50) !important;
    color: var(--color-warning-700) !important;
    border-color: var(--color-notification-warning) !important;
}

.notification--info {
    background: var(--color-info-50) !important;
    color: var(--color-info-700) !important;
    border-color: var(--color-notification-info) !important;
}

/* Enhanced link visibility */
a {
    color: var(--color-primary) !important;
    text-decoration: underline !important;
}

a:hover {
    color: var(--color-primary-700) !important;
}

/* Better loading overlay */
.loading-overlay {
    background: rgba(255, 255, 255, 0.95) !important;
    color: var(--color-text-primary-enhanced) !important;
}

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

/* Enhanced accessibility for screen readers */
.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;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-text-primary-enhanced: #000000;
        --color-text-secondary-enhanced: #333333;
        --color-toggle-default: #000000;
        --color-toggle-hover: #000000;
        --color-input-border: #000000;
        --color-button-border-enhanced: #000000;
    }

    .password-toggle {
        border-width: 2px !important;
    }

    .form-input,
    .form-select {
        border-width: 3px !important;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode improvements (if needed) */
@media (prefers-color-scheme: dark) {
    :root {
        --color-modal-background: #1f2937;
        --color-input-background: #374151;
        --color-input-text: #f9fafb;
        --color-text-primary-enhanced: #f9fafb;
        --color-text-secondary-enhanced: #d1d5db;
        --color-toggle-default: #d1d5db;
        --color-toggle-hover: #f9fafb;
        --color-toggle-background-hover: #4b5563;
    }
}

/* ========== INDEX PAGE SPECIFIC ENHANCEMENTS ========== */

/* Enhanced Navigation Visibility with AfricaTalking theme */
.site-header {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(12px) !important;
    border-bottom: 3px solid var(--at-orange) !important;
    box-shadow: 0 2px 12px rgba(255, 107, 53, 0.1) !important;
}

.main-navigation .auth-button {
    color: var(--color-text-primary-enhanced) !important;
    border: 2px solid var(--color-button-border-enhanced) !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
}

.auth-button--primary {
    background: linear-gradient(135deg, var(--at-orange) 0%, var(--at-orange-dark) 100%) !important;
    color: #ffffff !important;
    border-color: var(--at-orange) !important;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3) !important;
}

.auth-button--primary:hover {
    background: linear-gradient(135deg, var(--at-orange-light) 0%, var(--at-orange) 100%) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4) !important;
}

.auth-button--secondary {
    background: linear-gradient(135deg, var(--at-blue) 0%, var(--at-blue-dark) 100%) !important;
    color: #ffffff !important;
    border-color: var(--at-blue) !important;
    box-shadow: 0 2px 8px rgba(30, 58, 138, 0.3) !important;
}

.auth-button--secondary:hover {
    background: linear-gradient(135deg, var(--at-blue-light) 0%, var(--at-blue) 100%) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.4) !important;
}

.auth-button--tertiary {
    background: transparent !important;
    color: var(--at-gray-dark) !important;
    border-color: var(--at-orange) !important;
}

.auth-button--tertiary:hover {
    background: var(--at-orange) !important;
    color: #ffffff !important;
    border-color: var(--at-orange) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3) !important;
}

/* Enhanced Hero Section */
.hero-headline {
    color: #000000 !important;
    font-weight: 800 !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
    font-size: clamp(2.5rem, 5vw, 4rem) !important;
    letter-spacing: -0.025em !important;
}

.hero-subheadline {
    color: #1f2937 !important;
    font-weight: 600 !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05) !important;
    font-size: clamp(1.125rem, 2.5vw, 1.5rem) !important;
    line-height: 1.6 !important;
}

/* Enhanced CTA Buttons with AfricaTalking theme */
.cta-button--primary {
    background: linear-gradient(135deg, var(--at-orange) 0%, var(--at-orange-dark) 100%) !important;
    color: #ffffff !important;
    border: 2px solid var(--at-orange) !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3) !important;
}

.cta-button--primary:hover {
    background: linear-gradient(135deg, var(--at-orange-light) 0%, var(--at-orange) 100%) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(255, 107, 53, 0.4) !important;
}

.cta-button--secondary {
    background: linear-gradient(135deg, var(--at-blue) 0%, var(--at-blue-dark) 100%) !important;
    color: #ffffff !important;
    border: 2px solid var(--at-blue) !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3) !important;
}

.cta-button--secondary:hover {
    background: linear-gradient(135deg, var(--at-blue-light) 0%, var(--at-blue) 100%) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(30, 58, 138, 0.4) !important;
}

.cta-button--tertiary {
    background: transparent !important;
    color: var(--at-gray-dark) !important;
    border: 2px solid var(--at-orange) !important;
    font-weight: 600 !important;
}

.cta-button--tertiary:hover {
    background: var(--at-orange) !important;
    color: #ffffff !important;
    border-color: var(--at-orange) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3) !important;
}

/* Enhanced Section Titles */
.section-title {
    color: var(--color-text-primary-enhanced) !important;
    font-weight: 700 !important;
}

.section-subtitle {
    color: var(--color-text-secondary-enhanced) !important;
    font-weight: 500 !important;
}

/* Enhanced Auth Section */
.auth-option {
    border: 2px solid var(--color-gray-200) !important;
    background: #ffffff !important;
}

.auth-option:hover {
    border-color: var(--color-primary) !important;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1) !important;
}

.auth-option h3 {
    color: var(--color-text-primary-enhanced) !important;
    font-weight: 600 !important;
}

.auth-option p {
    color: var(--color-text-secondary-enhanced) !important;
    font-weight: 400 !important;
}

/* Enhanced Auth Badges */
.auth-badge--system {
    background: var(--color-primary-100) !important;
    color: var(--color-primary-800) !important;
    font-weight: 600 !important;
    border: 1px solid var(--color-primary-300) !important;
}

.auth-badge--organization {
    background: var(--color-secondary-100) !important;
    color: var(--color-secondary-800) !important;
    font-weight: 600 !important;
    border: 1px solid var(--color-secondary-300) !important;
}

.auth-badge--personal {
    background: var(--color-info-100) !important;
    color: var(--color-info-800) !important;
    font-weight: 600 !important;
    border: 1px solid var(--color-info-300) !important;
}

/* Enhanced Auth Option Buttons */
.auth-option-button {
    background: var(--color-primary) !important;
    color: #ffffff !important;
    border: 2px solid var(--color-primary) !important;
    font-weight: 600 !important;
    min-height: 48px !important;
}

.auth-option-button:hover {
    background: var(--color-primary-600) !important;
    border-color: var(--color-primary-600) !important;
    transform: translateY(-2px) !important;
}

/* Enhanced Feature Cards */
.feature-card h3 {
    color: var(--color-text-primary-enhanced) !important;
    font-weight: 600 !important;
}

.feature-card p {
    color: var(--color-text-secondary-enhanced) !important;
    font-weight: 400 !important;
}

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

/* Enhanced Footer */
.site-footer {
    background: var(--color-gray-900) !important;
    color: var(--color-gray-100) !important;
}

.footer-logo-text {
    color: #ffffff !important;
    font-weight: 600 !important;
}

.footer-description {
    color: var(--color-gray-300) !important;
}

.footer-section h4 {
    color: #ffffff !important;
    font-weight: 600 !important;
}

.footer-links a {
    color: var(--color-gray-300) !important;
    text-decoration: none !important;
}

.footer-links a:hover {
    color: #ffffff !important;
    text-decoration: underline !important;
}

/* Enhanced Security Section */
.security-section {
    background: var(--color-gray-50) !important;
}

.security-feature h4 {
    color: var(--color-text-primary-enhanced) !important;
    font-weight: 600 !important;
}

.security-feature p {
    color: var(--color-text-secondary-enhanced) !important;
}

/* Enhanced Logo and Branding */
.logo-text,
.footer-logo-text {
    font-weight: 700 !important;
}

/* Enhanced Mobile Menu Toggle */
.mobile-menu-toggle {
    color: var(--color-text-primary-enhanced) !important;
    border: 2px solid var(--color-button-border-enhanced) !important;
}

.mobile-menu-toggle:hover {
    background: var(--color-gray-100) !important;
    border-color: var(--color-primary) !important;
}