/* style.css - Mobile-First Responsive Design with Enhanced Visual Hierarchy */

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

:root {
    --primary-color: #14B8A6;
    --primary-hover: #0D9488;
    --secondary-color: #334155;
    --secondary-hover: #1E293B;
    --success-color: #22C55E;
    --success-hover: #15803D;
    --danger-color: #E11D48;
    --danger-hover: #9F1239;
    --background-gradient: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
    --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --card-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 2.5rem;
    
    --container-padding: 1rem;
    --container-max-width: 1400px;
}

/* Loading Spinner Styles */
#app-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease-out, visibility 0.5s;
    /* Start with content centered but invisible */
    pointer-events: none;
}

#app-loading.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

#app-loading.hidden {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

/* Loading logo and spinner container */
#app-loading .loading-logo {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
}

/* Logo image */
#app-loading .logo-image {
    width: 80px;
    height: 80px;
    border-radius: 20%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    opacity: 0;
    transition: opacity 0.3s ease-out 0.2s;
}

#app-loading.visible .logo-image {
    opacity: 1;
}

/* Spinner */
#app-loading .spinner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 3px solid rgba(20, 184, 166, 0.1);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    margin: 0;
    opacity: 0;
    transform: translateY(10px) scale(0.9);
    transition: opacity 0.3s ease-out 0.1s, transform 0.3s ease-out 0.1s;
}

#app-loading.visible .spinner {
    opacity: 1;
    transform: translateY(0) scale(1);
}

@keyframes spin {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.05); }
    100% { transform: rotate(360deg) scale(1); }
}

#app-loading .loading-text {
    color: var(--text-medium);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease-out 0.2s, transform 0.3s ease-out 0.2s;
}

#app-loading.visible .loading-text {
    opacity: 0.9;
    transform: translateY(0);
}

body {
    font-family: var(--font-family);
    background: var(--background-gradient);
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--container-padding);
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--header-gradient, linear-gradient(to right, var(--primary-color), var(--secondary-color)));
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: var(--space-lg);
    min-height: 60px;
}

.logo {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}

.company-name {
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.5px;
  opacity: 0.95;
}

.app-name {
  font-size: 1.6rem;
  font-weight: 800;
  text-transform: uppercase;
  border-bottom: 2px solid rgba(255,255,255,0.3);
  padding-bottom: 2px;
}

.header .logo {
    transition: transform 0.2s ease;
}

.header .logo:hover {
    transform: scale(1.02);
    opacity: 0.9;
}

.dropdown { 
    position: relative; 
}

.profile-btn {
    background: rgba(255,255,255,0.15); 
    border: none;
    padding: var(--space-sm) var(--space-md); 
    border-radius: 20px;
    color: white; 
    font-size: 0.875rem; 
    font-weight: 500;
    cursor: pointer; 
    transition: background 0.2s;
    white-space: nowrap;
    min-height: 36px;
}

.profile-btn:hover { 
    background: rgba(255,255,255,0.25); 
}

.dropdown-menu {
    position: absolute; 
    right: 0; 
    top: calc(100% + 8px);
    background: var(--bg-white); 
    border-radius: var(--border-radius-sm); 
    box-shadow: var(--card-shadow-hover);
    min-width: 180px; 
    padding: var(--space-sm) 0; 
    z-index: 100;
    border: 1px solid var(--border-color);
}

.dropdown-item {
  width: 100%;
  padding: 0.75rem;
  text-align: left;
  background: none;
  border: none;
  color: #374151;
  cursor: pointer;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dropdown-item .icon,
.user-greeting .icon {
  width: 16px;
  height: 16px;
  fill: currentColor;
  vertical-align: middle;
  margin-right: 4px;
  position: relative;
  top: -1px;
}

.dropdown-item:hover { 
    background: var(--bg-light); 
    color: var(--primary-color); 
}

.dropdown-item.bold { 
    font-weight: 600; 
    border-top: 1px solid var(--border-color); 
    margin-top: var(--space-xs); 
}

.hidden { 
    display: none !important; 
}

#app-area {
    flex: 1;
    margin-bottom: var(--space-lg);
}

.card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    width: 100%;
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
}

/* IMPROVED: Compact info grid with better spacing */
.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.info-block {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    box-shadow: var(--card-shadow);
    text-align: center;
    transition: box-shadow 0.2s, transform 0.2s;
}

.info-block:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

.info-block h2 {
    color: var(--primary-color);
    margin-bottom: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
}

.info-block h3 {
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
    font-size: 1.05rem;
    font-weight: 600;
}

.info-block p {
    color: var(--text-light);
    margin-bottom: var(--space-sm);
    line-height: 1.5;
    font-size: 0.9rem;
}

/* IMPROVED: Reduce excessive text in info blocks */
.info-block p:not(:last-of-type) {
    margin-bottom: var(--space-xs);
}

.info-block .btn {
    display: inline-block;
    width: auto;
    min-width: 140px;
    margin: var(--space-xs) var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    text-decoration: none;
    color: white;
    border: none;
    cursor: pointer;
}

/* IMPROVED: Collapsible FAQ section */
.faq-section {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    box-shadow: var(--card-shadow);
    margin-bottom: var(--space-xl);
    border: 1px solid var(--border-color);
}

.faq-section h2 {
    color: var(--primary-color);
    margin-bottom: var(--space-md);
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.faq-section h2::after {
    content: '▼';
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.faq-section.collapsed h2::after {
    transform: rotate(-90deg);
}

.faq-section.collapsed #faq-container {
    display: none;
}

.faq-section p {
    color: var(--text-light);
    margin-bottom: var(--space-md);
    line-height: 1.6;
    font-size: 0.9rem;
}

.faq-item {
    margin-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-md);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
    transition: color 0.2s ease;
    padding: var(--space-sm);
    border-radius: var(--border-radius-sm);
    min-height: 44px;
}

.faq-question:hover {
    color: var(--primary-color);
    background: var(--bg-light);
}

.faq-toggle {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
    transition: transform 0.2s ease;
    flex-shrink: 0;
    margin-left: var(--space-sm);
    width: 20px;
    text-align: center;
}

.faq-item.open .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    display: none;
    margin-top: var(--space-sm);
    color: var(--text-medium);
    font-size: 0.875rem;
    line-height: 1.6;
    padding: var(--space-md);
    background: var(--bg-light);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--primary-color);
}

.faq-item.open .faq-answer {
    display: block;
}

/* IMPROVED: Compact footer */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: var(--space-lg);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    text-align: center;
    margin-top: auto;
    font-size: 0.85rem;
    line-height: 1.5;
}

.footer a {
    color: #d1d5db;
    text-decoration: none;
    margin: 0 var(--space-sm);
    transition: color 0.2s ease;
}

.footer a:hover {
    color: white;
}

.footer-links {
    margin: var(--space-sm) 0;
}

.btn {
    display: inline-block;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: none;
    text-align: center;
    line-height: 1.4;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: var(--secondary-hover);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: var(--success-hover);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-hover);
    transform: translateY(-1px);
}

.btn-full {
    width: 100%;
}

.form-group { 
    margin-bottom: var(--space-lg); 
}

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

input, select, textarea {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    background: var(--bg-white);
    min-height: 44px;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: var(--space-md);
}

.modal.hidden { 
    display: none !important; 
}

.modal-content {
    background: var(--bg-white);
    padding: var(--space-xl);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--card-shadow-hover);
    animation: fadeIn 0.3s ease-out;
    border: 1px solid var(--border-color);
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: scale(0.95) translateY(20px); 
    }
    to { 
        opacity: 1; 
        transform: scale(1) translateY(0); 
    }
}

/* Utility Classes */
.flex { display: flex; }
.gap-2 { gap: var(--space-sm); }
.mt-4 { margin-top: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-lg); }
.text-center { text-align: center; }
.text-red { color: var(--danger-color); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }

/* Tablet responsiveness */
@media (min-width: 768px) {
    :root {
        --container-padding: 1.5rem;
    }
    
    .header {
        padding: var(--space-lg) var(--space-xl);
        margin-bottom: var(--space-xl);
    }
    
    .company-name {
        font-size: 1rem;
    }
    
    .app-name {
        font-size: 1.5rem;
    }
    
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }
    
    .card {
        padding: var(--space-xl);
    }
    
    .info-block {
        padding: var(--space-xl);
    }
    
    .faq-section {
        padding: var(--space-xl);
    }
}

/* Desktop responsiveness */
@media (min-width: 1024px) {
    :root {
        --container-padding: 2rem;
    }
    
    .info-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .header {
        padding: var(--space-xl) var(--space-2xl);
        margin-bottom: var(--space-2xl);
    }
    
    .company-name {
        font-size: 1.1rem;
    }
}

/* Large desktop */
@media (min-width: 1200px) {
    :root {
        --container-padding: 2.5rem;
    }
    
    .container {
        padding: var(--container-padding);
    }
}

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

.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.faq-question:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@media (prefers-contrast: high) {
    :root {
        --card-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        --border-color: #000;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}