/* =========================
   TERMINAL-X LAYOUT
   iPhone + Cyberpunk Layout Styles
   ========================= */

/* Container Layout */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-lg);
}

/* Grid Layout */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }

/* Flexbox Layout */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-row {
    flex-direction: row;
}

.flex-wrap {
    flex-wrap: wrap;
}

.flex-nowrap {
    flex-wrap: nowrap;
}

.items-start {
    align-items: flex-start;
}

.items-center {
    align-items: center;
}

.items-end {
    align-items: flex-end;
}

.items-stretch {
    align-items: stretch;
}

.justify-start {
    justify-content: flex-start;
}

.justify-center {
    justify-content: center;
}

.justify-end {
    justify-content: flex-end;
}

.justify-between {
    justify-content: space-between;
}

.justify-around {
    justify-content: space-around;
}

.justify-evenly {
    justify-content: space-evenly;
}

/* Section Layout */
.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-sm {
    padding: var(--spacing-xl) 0;
}

.section-lg {
    padding: var(--spacing-3xl) 0;
}

/* Header Layout */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 249, 250, 0.95));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: var(--shadow-sm);
    height: var(--header-height);
    transition: all var(--transition-ios);
}

/* Navbar Layout - Bootstrap Compatibility */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 249, 250, 0.95));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: var(--shadow-sm);
    height: var(--header-height);
    transition: all var(--transition-ios);
}

.header-content {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
}

/* Navigation Layout */
.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-ios);
}

.nav-brand:hover {
    color: var(--primary-dark);
    transform: translateY(-1px);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-ios);
    font-weight: 500;
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

/* Main Content Layout */
.main {
    flex: 1;
    min-height: calc(100vh - var(--header-height) - var(--footer-height));
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--light-bg), #ffffff);
}

.main-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Sidebar Layout */
.sidebar-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-2xl);
    align-items: start;
}

.sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-lg));
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 249, 250, 0.95));
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Footer Layout */
.footer {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 249, 250, 0.95));
    color: var(--gray-700);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: auto;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color var(--transition-ios);
}

.footer-section a:hover {
    color: var(--primary-color);
}

/* Hero Section Layout */
.hero-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-hero);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
    line-height: 1.6;
}

/* Card Grid Layout */
.card-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.card-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.card-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.card-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Content Wrapper */
.content-wrapper {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 249, 250, 0.95));
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    margin-bottom: var(--spacing-lg);
}

/* Form Layout */
.form-layout {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}


/* Search Layout */
.search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-size: 1rem;
    transition: all var(--transition-ios);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

/* Breadcrumb Layout */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-lg);
}

.breadcrumb-item {
    color: var(--gray-600);
    text-decoration: none;
    transition: color var(--transition-ios);
}

.breadcrumb-item:hover {
    color: var(--primary-color);
}

.breadcrumb-separator {
    color: var(--gray-400);
}

/* Pagination Layout */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
}

.pagination-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--gray-200);
    color: var(--gray-700);
    text-decoration: none;
    transition: all var(--transition-ios);
    font-weight: 500;
}

.pagination-item:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.pagination-item.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Tabs Layout */
.tabs-container {
    margin-bottom: var(--spacing-xl);
}

.tabs-nav {
    display: flex;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: var(--spacing-lg);
}

.tabs-trigger {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    color: var(--gray-600);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-ios);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.tabs-trigger:hover {
    color: var(--primary-color);
}

.tabs-trigger.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tabs-content {
    padding: var(--spacing-lg) 0;
}

/* Accordion Layout */
.accordion-item {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.accordion-trigger {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-ios);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-trigger:hover {
    background: rgba(102, 126, 234, 0.05);
}

.accordion-content {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

/* Loading Layout */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    gap: var(--spacing-md);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}


.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--gray-600);
}

/* Dropdown Components */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.dropdown-toggle:hover {
    background: var(--gray-100);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-700);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-100);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-200);
    margin: var(--spacing-xs) 0;
}