/* ============================================
   Modern osTicket Client Portal
   Super Modern & Responsive Design
   ============================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');

/* Modern CSS Variables */
:root {
    /* Primary Brand Colors */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Accent Colors */
    --accent-500: #8b5cf6;
    --accent-600: #7c3aed;
    
    /* Semantic Colors */
    --success-500: #10b981;
    --success-600: #059669;
    --error-500: #ef4444;
    --error-600: #dc2626;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    
    /* Neutral Palette */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Transitions */
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Base Styles Override
   ============================================ */

html {
    font-size: 16px !important;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%) !important;
    color: var(--gray-900) !important;
    line-height: 1.6 !important;
}

/* ============================================
   Container & Layout
   ============================================ */

#container {
    width: 100% !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    background: transparent !important;
    box-shadow: none !important;
    padding: 0 1rem;
}

/* ============================================
   Modern Header
   ============================================ */

#header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border: none !important;
    height: auto !important;
    padding: 1.5rem 2rem !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(102, 126, 234, 0.2) !important;
    margin-bottom: 2rem !important;
    position: relative;
    overflow: hidden;
}

/* Animated gradient overlay */
#header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

#header #logo {
    height: auto !important;
    padding: 0 !important;
}

#header #logo img {
    max-height: 55px !important;
    max-width: 350px !important;
    filter: brightness(0) invert(1) drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
    transition: transform var(--transition);
}

#header #logo:hover img {
    transform: scale(1.05);
}

#header p {
    color: white !important;
    font-weight: 500;
}

#header p a {
    color: white !important;
    font-weight: 600;
    text-decoration: none !important;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition);
}

#header p a:hover {
    background-color: rgba(255, 255, 255, 0.2) !important;
    text-decoration: none !important;
}

/* ============================================
   Modern Navigation
   ============================================ */

#nav {
    background: white !important;
    border: none !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-md) !important;
    padding: 0.75rem 1.5rem !important;
    margin: 0 0 2rem 0 !important;
    height: auto !important;
}

#nav li {
    margin: 0.25rem !important;
}

#nav li a {
    display: inline-flex !important;
    align-items: center;
    padding: 0.75rem 1.25rem !important;
    margin: 0 0.25rem !important;
    border-radius: var(--radius) !important;
    height: auto !important;
    line-height: 1.5 !important;
    font-weight: 500 !important;
    transition: all var(--transition) !important;
    color: var(--gray-700) !important;
    background: transparent !important;
}

#nav li a:hover {
    background: var(--primary-50) !important;
    color: var(--primary-700) !important;
    text-decoration: none !important;
    transform: translateY(-1px);
}

#nav li a.active {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%) !important;
    color: white !important;
    box-shadow: var(--shadow-md), 0 0 20px rgba(59, 130, 246, 0.3) !important;
}

#nav li a.active:hover {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%) !important;
}

/* Icons in navigation */
#nav li a.home,
#nav li a.kb,
#nav li a.new,
#nav li a.status,
#nav li a.tickets {
    padding-left: 2.75rem !important;
    background-position: 1rem center !important;
}

/* ============================================
   Content Area
   ============================================ */

#content {
    background: white !important;
    padding: 2rem !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-md) !important;
    margin-bottom: 2rem !important;
}

/* ============================================
   Alert Messages
   ============================================ */

#msg_notice,
.notice-banner {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%) !important;
    border: 2px solid var(--success-500) !important;
    border-radius: var(--radius-lg) !important;
    padding: 1rem 1rem 1rem 3rem !important;
    box-shadow: var(--shadow-md) !important;
    color: var(--gray-800) !important;
    font-weight: 500;
    height: auto !important;
    line-height: 1.5 !important;
}

#msg_warning,
.warning-banner {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%) !important;
    border: 2px solid var(--warning-500) !important;
    border-radius: var(--radius-lg) !important;
    padding: 1rem 1rem 1rem 3rem !important;
    box-shadow: var(--shadow-md) !important;
    color: var(--gray-800) !important;
    font-weight: 500;
    height: auto !important;
    line-height: 1.5 !important;
}

#msg_error {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%) !important;
    border: 2px solid var(--error-500) !important;
    border-radius: var(--radius-lg) !important;
    padding: 1rem 1rem 1rem 3rem !important;
    box-shadow: var(--shadow-md) !important;
    color: var(--gray-800) !important;
    font-weight: 500;
    height: auto !important;
    line-height: 1.5 !important;
}

#msg_info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%) !important;
    border: 2px solid var(--primary-500) !important;
    border-radius: var(--radius-lg) !important;
    padding: 1rem !important;
    box-shadow: var(--shadow-md) !important;
    color: var(--gray-800) !important;
    font-weight: 500;
}

/* ============================================
   Typography
   ============================================ */

h1 {
    color: var(--primary-600) !important;
    font-family: 'Poppins', sans-serif !important;
    font-weight: 700 !important;
    font-size: 2rem !important;
    margin-bottom: 1.5rem !important;
}

h2 {
    color: var(--gray-800) !important;
    font-family: 'Poppins', sans-serif !important;
    font-weight: 600 !important;
    font-size: 1.5rem !important;
    margin-bottom: 1rem !important;
}

h3 {
    color: var(--gray-700) !important;
    font-family: 'Poppins', sans-serif !important;
    font-weight: 600 !important;
    font-size: 1.25rem !important;
}

a, .link {
    color: var(--primary-600) !important;
    text-decoration: none !important;
    transition: color var(--transition);
}

a:hover, .link:hover {
    color: var(--primary-700) !important;
    text-decoration: underline !important;
}

/* ============================================
   Modern Buttons
   ============================================ */

.button,
button,
input[type="submit"] {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%) !important;
    color: white !important;
    border: none !important;
    border-radius: var(--radius) !important;
    padding: 0.75rem 1.5rem !important;
    font-family: 'Inter', sans-serif !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    cursor: pointer !important;
    transition: all var(--transition) !important;
    box-shadow: var(--shadow-md), 0 0 20px rgba(59, 130, 246, 0.2) !important;
    text-transform: none !important;
    display: inline-block;
    text-decoration: none !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
    position: relative !important;
    top: 0 !important;
}

.button:hover,
button:hover,
input[type="submit"]:hover {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%) !important;
    box-shadow: var(--shadow-lg), 0 0 30px rgba(59, 130, 246, 0.3) !important;
    transform: translateY(-2px) !important;
    text-decoration: none !important;
    color: white !important;
}

.button:active,
button:active,
input[type="submit"]:active {
    transform: translateY(0) !important;
    box-shadow: var(--shadow) !important;
    top: 1px !important;
}

.green.button {
    background: linear-gradient(135deg, var(--success-500) 0%, var(--success-600) 100%) !important;
    box-shadow: var(--shadow-md), 0 0 20px rgba(16, 185, 129, 0.2) !important;
}

.green.button:hover {
    background: linear-gradient(135deg, var(--success-600) 0%, #047857 100%) !important;
    box-shadow: var(--shadow-lg), 0 0 30px rgba(16, 185, 129, 0.3) !important;
}

.blue.button {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%) !important;
}

/* ============================================
   Forms & Inputs
   ============================================ */

input[type="text"],
input[type="password"],
input[type="email"],
input[type="search"],
textarea,
select {
    border: 2px solid var(--gray-300) !important;
    border-radius: var(--radius) !important;
    padding: 0.75rem 1rem !important;
    font-family: 'Inter', sans-serif !important;
    font-size: 1rem !important;
    transition: all var(--transition) !important;
    background: white !important;
    color: var(--gray-900) !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
    border-color: var(--primary-500) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1), var(--shadow-sm) !important;
    outline: none !important;
    transform: translateY(-1px);
}

input.search {
    padding-left: 2.5rem !important;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="%236b7280" stroke-width="2"><circle cx="11" cy="11" r="8"/><path d="m21 21-4.35-4.35"/></svg>') !important;
    background-position: 0.75rem center !important;
    background-repeat: no-repeat !important;
}

label.required,
span.required {
    color: var(--gray-800) !important;
    font-weight: 600 !important;
}

/* ============================================
   Tables
   ============================================ */

table {
    border-collapse: separate !important;
    border-spacing: 0 !important;
    width: 100%;
    background: white;
    border-radius: var(--radius-lg) !important;
    overflow: hidden;
    box-shadow: var(--shadow-md) !important;
    border: 1px solid var(--gray-200) !important;
}

table th {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%) !important;
    color: var(--gray-700) !important;
    font-weight: 600 !important;
    text-transform: uppercase;
    font-size: 0.875rem !important;
    letter-spacing: 0.025em;
    padding: 1rem !important;
    border-bottom: 2px solid var(--gray-200) !important;
    text-align: left !important;
}

table td {
    padding: 1rem !important;
    border-bottom: 1px solid var(--gray-100) !important;
    color: var(--gray-700) !important;
    transition: background-color var(--transition);
}

table tr:hover td {
    background-color: var(--primary-50) !important;
}

table tr:nth-child(even) td {
    background-color: var(--gray-50);
}

table tr:nth-child(even):hover td {
    background-color: var(--primary-50) !important;
}

table tr:last-child td {
    border-bottom: none !important;
}

/* ============================================
   Knowledge Base & Featured Categories
   ============================================ */

.featured-category {
    background: white !important;
    border: 1px solid var(--gray-200) !important;
    border-radius: var(--radius-lg) !important;
    padding: 1.5rem !important;
    margin: 1rem 0.5% !important;
    box-shadow: var(--shadow) !important;
    transition: all var(--transition);
}

.featured-category:hover {
    box-shadow: var(--shadow-lg) !important;
    transform: translateY(-4px);
    border-color: var(--primary-300) !important;
}

.category-name {
    font-family: 'Poppins', sans-serif !important;
    font-weight: 600 !important;
    font-size: 1.25rem !important;
    color: var(--gray-800) !important;
}

.featured-category i {
    color: var(--primary-500) !important;
}

.article-headline {
    margin: 0.75rem 0 !important;
}

.article-title {
    font-weight: 600 !important;
    color: var(--gray-800) !important;
    transition: color var(--transition);
}

.article-title:hover {
    color: var(--primary-600) !important;
}

.article-teaser {
    color: var(--gray-600) !important;
    font-size: 0.9375rem !important;
    line-height: 1.6 !important;
}

/* ============================================
   Search Form
   ============================================ */

.search-form {
    background: white !important;
    padding: 2rem !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-lg) !important;
    margin: 2rem 0 !important;
    border: 1px solid var(--gray-200);
}

.search-form form {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.search-form input.search {
    flex: 1;
    margin: 0 !important;
}

.search-form button {
    white-space: nowrap;
}

/* ============================================
   Client Login Box
   ============================================ */

#clientLogin {
    background: white !important;
    border: 2px solid var(--primary-200) !important;
    border-radius: var(--radius-lg) !important;
    padding: 2rem !important;
    box-shadow: var(--shadow-md) !important;
    margin-top: 2rem !important;
}

#clientLogin strong {
    color: var(--error-600) !important;
    font-weight: 600 !important;
}

#clientLogin input[type="text"],
#clientLogin input[type="password"] {
    margin-bottom: 1rem !important;
}

/* ============================================
   Footer
   ============================================ */

#footer {
    background: white !important;
    padding: 2rem !important;
    margin-top: 2rem !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-md) !important;
    color: var(--gray-600) !important;
}

#footer a {
    color: var(--primary-600) !important;
}

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

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

#pagination li a {
    border: 2px solid var(--gray-300) !important;
    border-radius: var(--radius) !important;
    padding: 0.5rem 0.75rem !important;
    margin: 0 0.25rem !important;
    background: white !important;
    color: var(--gray-700) !important;
    transition: all var(--transition) !important;
}

#pagination li a:hover {
    background: var(--primary-50) !important;
    border-color: var(--primary-500) !important;
    color: var(--primary-700) !important;
}

#pagination .active {
    background: var(--primary-500) !important;
    border-color: var(--primary-500) !important;
    color: white !important;
    font-weight: 600 !important;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    #container {
        max-width: 100% !important;
    }
}

@media (max-width: 840px) {
    html {
        font-size: 15px !important;
    }
    
    #header {
        padding: 1rem !important;
        border-radius: var(--radius) !important;
    }
    
    #header #logo img {
        max-height: 45px !important;
    }
    
    #nav {
        padding: 0.5rem !important;
    }
    
    #nav li a {
        padding: 0.625rem 1rem !important;
        margin: 0.25rem 0 !important;
    }
    
    #content {
        padding: 1.5rem !important;
    }
    
    .featured-category {
        width: 100% !important;
        margin: 1rem 0 !important;
    }
    
    .search-form form {
        flex-direction: column;
    }
    
    .search-form button {
        width: 100%;
    }
}

@media (max-width: 600px) {
    html {
        font-size: 14px !important;
    }
    
    #container {
        padding: 0.5rem !important;
    }
    
    #header,
    #nav,
    #content,
    #footer,
    .search-form,
    .featured-category,
    #clientLogin {
        border-radius: var(--radius) !important;
    }
    
    h1 {
        font-size: 1.75rem !important;
    }
    
    h2 {
        font-size: 1.375rem !important;
    }
    
    table {
        font-size: 0.875rem;
        display: block;
        overflow-x: auto;
    }
    
    table th,
    table td {
        padding: 0.75rem !important;
        white-space: nowrap;
    }
    
    .button,
    button,
    input[type="submit"] {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    #clientLogin {
        padding: 1.5rem !important;
    }
}

/* ============================================
   Mobile Landscape
   ============================================ */

@media (max-height: 600px) and (orientation: landscape) {
    #header {
        padding: 0.75rem !important;
    }
    
    #header #logo img {
        max-height: 35px !important;
    }
    
    h1 {
        font-size: 1.5rem !important;
        margin-bottom: 1rem !important;
    }
}

/* ============================================
   Accessibility & Polish
   ============================================ */

*:focus-visible {
    outline: 3px solid var(--primary-400) !important;
    outline-offset: 2px !important;
}

::selection {
    background-color: var(--primary-200);
    color: var(--primary-900);
}

::-moz-selection {
    background-color: var(--primary-200);
    color: var(--primary-900);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    #header::before {
        animation: none !important;
    }
}

/* Print styles */
@media print {
    #header,
    #nav,
    #footer {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
    
    .button {
        display: none !important;
    }
}