/* ==========================================================================
    1. Design Tokens & Global Styles
    - Here we define the core design elements of our application.
========================================================================== 
*/

:root {
    /* Brand Colors */
    --clr-teal-dark: #004F5A;   /* Capable Teal */
    --clr-teal-light: #17998B;  /* Calm Green */
    --clr-blue-dark: #052A30;   /* Effective Blue */
    --clr-blue-mid: #374957;    /* Primary Blue */
    --clr-blue-light: #41B6E6;  /* Picton Blue */
    --clr-green-ok: #55AD89;    /* Safe Green */
    --clr-red-error: #EF524C;   /* Warning Red */
    --clr-yellow-warn: #F59E0B; /* Amber */
    --clr-purple-progress: #8B5CF6; /* Amethyst */


    /* Neutral Colors */
    --clr-white: #FFFFFF;
    --clr-gray-50: #F8FAFC;
    --clr-gray-100: #F1F5F9;
    --clr-gray-200: #E2E8F0;
    --clr-gray-300: #CBD5E1;
    --clr-gray-500: #64748B;
    --clr-gray-700: #334155;
    --clr-gray-900: #0F172A;

    /* Typography */
    --font-primary: 'Source Sans Pro', sans-serif;

    /* Layout */
    --header-height: 4rem;
    --border-radius-md: 0.375rem; /* 6px */
    --border-radius-lg: 0.5rem;   /* 8px */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

/* Base styles for the whole application */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
 html {
    height: 100%;
 }
body {
    font-family: var(--font-primary);
    background-color: var(--clr-gray-50);
    color: var(--clr-gray-900);
    min-height: 100vh;
}

a {
    color: var(--clr-teal-dark);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

body.no-scroll { 
    overflow: hidden; 
}

.l-main-content.full-height { 
    flex-grow: 1; 
    display: flex; 
    align-items: flex-start; 
    justify-content: center; 
}

/* ==========================================================================
    2. Reusable Components
    - These are styles for common elements like buttons and forms.
========================================================================== 
*/

/* --- Buttons --- */
.c-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
    cursor: pointer;
}
.c-btn--sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.c-btn--primary {
    background-color: var(--clr-teal-light);
    color: var(--clr-white);
}

.c-btn--primary:hover {
    background-color: #117e70; /* A slightly darker shade for hover */
    text-decoration: none;
}

.c-btn--secondary {
    background-color: var(--clr-teal-dark);
    color: var(--clr-white);
}

.c-btn--secondary:hover {
     background-color: #003b44;
     text-decoration: none;
}

.c-btn--danger { 
    background-color: var(--clr-red-error); 
    color: var(--clr-white); 
}

.c-btn--danger:hover { 
    background-color: #d94742; 
    text-decoration: none; 
}

.c-btn.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}


/* --- Forms --- */
.c-form-input {
    display: block;
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--clr-gray-300);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.c-form-input:focus {
    outline: none;
    border-color: var(--clr-blue-light);
    box-shadow: 0 0 0 3px rgba(65, 182, 230, 0.3);
}

.c-form-input.is-invalid {
    border-color: var(--clr-red-error);
}

.c-form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
}

/* NEW: Style for range slider */
.c-form-range {
    width: 100%;
    height: 0.5rem;
    -webkit-appearance: none;
    appearance: none;
    background: var(--clr-gray-200);
    border-radius: 999px;
    outline: none;
    opacity: 0.7;
    transition: opacity .2s;
}

.c-form-range:hover {
    opacity: 1;
}

.c-form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    background: var(--clr-teal-dark);
    cursor: pointer;
    border-radius: 50%;
}

.c-form-range::-moz-range-thumb {
    width: 1.25rem;
    height: 1.25rem;
    background: var(--clr-teal-dark);
    cursor: pointer;
    border-radius: 50%;
    border: none;
}


/* --- Cards --- */
.c-card {
    background-color: var(--clr-white);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

/* --- Alerts --- */
.error-container {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.c-alert {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-radius: var(--border-radius-md);
    border: 1px solid transparent;
}
.c-alert--error {
    background-color: #FEF2F2;
    color: #991B1B;
    border-color: #FEE2E2;
}
.c-alert__close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    color: inherit;
    opacity: 0.5;
    cursor: pointer;
    padding: 0 0.5rem;
}
.c-alert__close-btn:hover {
    opacity: 1;
}


/* ==========================================================================
    3. Layout Styles
    - These styles control the main structure of the pages.
========================================================================== 
*/
.l-container {
    max-width: 80rem; /* 1280px */
    margin-left: auto;
    margin-right: auto;
    padding: 0 2rem;
}

.l-container--fluid { 
    width: 100%;
    padding: 0;
}

.l-main-content {
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
}

.l-header {
  width: 100vw;                 /* force full viewport width */
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;           /* counteract centered layout */
  margin-right: -50vw;
  background-color: var(--clr-blue-dark); /* move color here */
}

.l-header .navbar {
  background: transparent; /* ensure no nested color layering */
  padding: 0 2rem;         /* keep some horizontal padding for content */
}

/* ==========================================================================
    4. Utility and Page-Specific Styles
    - These are for specific pages or for one-off uses.
========================================================================== 
*/

/* --- Navigation Bar --- */
.navbar {
    background-color: var(--clr-blue-dark);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.navbar-left, .navbar-right { 
    display: flex; 
    align-items: center; 
}

.navbar__logo {
    height: 2rem;
    width: auto;
}

.navbar__links a {
    padding: 0.25rem 0.75rem;
    margin: 0 0.5rem;
    font-weight: 500;
    color: var(--clr-gray-50);
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s, color 0.2s;
}

.navbar__links a:hover {
    border-color: var(--clr-teal-light);
    color: var(--clr-teal-light);
    text-decoration: none;
}

.navbar__links a.is-active {
    border-color: var(--clr-teal-dark);
    font-weight: 600;
}

/* --- User Profile Menu --- */
.profile-menu {
    position: relative;
}

.profile-menu__button {
    display: flex;
    align-items: center;
    cursor: pointer;
    background: none;
    border: none;
}

.profile-menu__avatar {
    height: 2.5rem;
    width: 2.5rem;
    border-radius: 9999px;
    background-color: var(--clr-teal-dark);
    color: var(--clr-white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.profile-menu__dropdown {
    display: none; /* Hidden by default */
    position: absolute;
    right: 0;
    margin-top: 0.5rem;
    width: 12rem;
    background-color: var(--clr-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem 0;
    z-index: 10;
}

.profile-menu__dropdown.is-active {
    display: block; /* Shown with JS */
}

.profile-menu__dropdown a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--clr-gray-700);
}

.profile-menu__dropdown a:hover {
    background-color: var(--clr-gray-100);
    text-decoration: none;
}

.login-container { 
    max-width: 28rem; 
    margin: 4rem auto 0; 
}

.login-box__logo {
    display: block;
    margin: 0 auto; 
    height: 3rem; 
    width: auto; 
}

.login-box__title { 
    margin-top: 1.5rem; 
    text-align: center; 
    font-size: 1.875rem; 
    font-weight: 700; 
}

.flash-message { 
    padding: 1rem; 
    border-radius: var(--border-radius-md); 
    margin-bottom: 1.5rem; 
}

.flash-message--error { 
    background-color: #FEF2F2; 
    color: #991B1B; 
}

.flash-message--success { 
    background-color: #F0FDF4; 
    color: #14532D; 
}


.signup-container { 
    max-width: 42rem; 
    margin: 2rem auto 0; 
}

.signup-title { 
    text-align: center; 
    font-size: 1.875rem; 
    font-weight: 700; 
}

.form-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 1.5rem; 
}

.form-error-message { 
    color: var(--clr-red-error); 
    font-size: 0.875rem; 
    margin-top: 0.5rem; 
    display: none; 
}

.page-header { 
    font-size: 1.5rem; 
    font-weight: 600; 
    border-bottom: 1px solid var(--clr-gray-300); 
    padding-bottom: 1rem; 
}

.analysis-form, .profile-form{ 
    margin-top: 2rem; 
}

.file-upload-box { 
    border: 2px dashed var(--clr-gray-300); 
    border-radius: var(--border-radius-lg); 
    padding: 2rem; 
    text-align: center; 
    transition: border-color 0.2s, background-color 0.2s;
}

/* Added style for drag-over state */
.file-upload-box.drag-over {
    border-color: var(--clr-teal-dark);
    background-color: var(--clr-gray-100);
}

.file-upload-success { 
    display: none; 
    align-items: center;
    justify-content: space-between;
    background-color: #F0FDF4; 
    color: var(--clr-green-ok); 
    padding: 1rem; 
    border-radius: var(--border-radius-md); 
}

.file-actions {
    display: flex;
    gap: 0.5rem;
}

.form-section { 
    margin-top: 2rem; 
    border-top: 1px solid var(--clr-gray-300); 
    padding-top: 2rem; 
}

.form-footer { 
    text-align: right; 
    margin-top: 2rem; 
    border-top: 1px solid var(--clr-gray-300); 
    padding-top: 1.5rem; 
}

/* --- Data Profiling Report --- */
.at-a-glance-card {
    background-color: var(--clr-gray-50);
    border: 1px solid var(--clr-gray-200);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
}
.profile-report-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.at-a-glance-stats {
    display: flex;
    gap: 2rem;
    align-items: center;
}
.at-a-glance-stats > div {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}
.at-a-glance-stats dt {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--clr-gray-700);
}
.at-a-glance-stats dd {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--clr-teal-dark);
    line-height: 1;
}
.at-a-glance-footer {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--clr-gray-200);
    display: flex;
    gap: 0.5rem;
}

.profile-column-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem 1rem;
}

.profile-column-list dt {
    font-weight: 600;
    color: var(--clr-gray-900);
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-column-list dd {
    color: var(--clr-gray-500);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.line-number-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-size: 1rem;
    color: var(--clr-teal-dark);
    opacity: 0.6;
    transition: opacity 0.2s;
}
.line-number-btn:hover {
    opacity: 1;
}


/* --- Analysis Form Switch --- */
.analysis-switch { 
    display: inline-flex; 
    border: 1px solid var(--clr-gray-300); 
    border-radius: var(--border-radius-md); 
}

.analysis-switch input[type="radio"] { 
    display: none; 
}

.analysis-switch label { 
    padding: 0.5rem 1rem; 
    cursor: pointer; 
    transition: background-color 0.2s, color 0.2s; 
}

.analysis-switch input[type="radio"]:checked + label { 
    background-color: var(--clr-teal-dark); 
    color: var(--clr-white); 
}

.analysis-switch label:first-of-type { 
    border-top-left-radius: var(--border-radius-md); 
    border-bottom-left-radius: var(--border-radius-md); 
}

.analysis-switch label:last-of-type { 
    border-top-right-radius: var(--border-radius-md); 
    border-bottom-right-radius: var(--border-radius-md); 
}

/* Checkbox Grid for Boost Options */
.checkbox-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); 
    gap: 1rem; 
}

.c-checkbox { 
    display: flex; 
    align-items: flex-start;
    text-align: left;
    gap: 0.75rem;
}

.c-checkbox input { 
    margin-top: 0.2em;
    flex-shrink: 0;
    height: 1rem; 
    width: 1rem; 
    accent-color: var(--clr-teal-dark); 
}
.c-checkbox span {
    word-break: break-word;
}

/* --- Dashboard Page Specific Styles --- */
.dashboard-page {
    display: flex;
    justify-content: center; /* center the card horizontally */
    padding: 2rem;
    background-color: #f5f6fa;
    min-height: 100vh;
    box-sizing: border-box;
    font-family: var(--font-primary), sans-serif;
    color: var(--clr-blue-dark);
}

.dashboard-card {
    width: 100%;
    /*max-width: 1200px; /* optional, keeps it from stretching too wide */
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dashboard-header {
    padding: 1rem 1.5rem; /* same horizontal padding as iframe container */
    background-color: #fff;
    border-radius: 12px 12px 0 0; /* rounded top corners */
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.dashboard-title {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: #222;
}

.dashboard-iframe-container {
    flex: 1;
    width: 100%;
    height: 75vh; /* adjust height as needed */
    border-radius: 0 0 12px 12px; /* match the header corners */
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.dashboard-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background-color: #fff;
}



/* --- Infinity Loader Animation --- */
.infinity-loader-container {
    width: 120px;
    height: 60px;
    margin: 1rem auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.infinity-loader-svg {
    width: 100%;
    height: 100%;
}

.infinity-loader-svg path, 
.infinity-loader-svg use {
    fill: none;
    stroke-linecap: round;
    stroke-width: 12;
}

.infinity-loader-svg #inf {
    stroke: var(--clr-teal-dark);
}

.infinity-loader-svg use {
    stroke: var(--clr-teal-light);
    animation: infinity-chase 2s linear infinite;
}

@keyframes infinity-chase {
    to {
        stroke-dashoffset: 0px;
    }
}


/* --- Modal Styles --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(15, 23, 42, 0.5); /* gray-900 with 50% opacity */
    padding: 1rem;
}

.modal-content {
    text-align: center;
    background-color: var(--clr-white);
    padding: 2rem 4rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 95vw;
    max-height: 95vh;
    overflow-y: auto;
}

.modal-content--large {
    width: 100%;
    max-width: 64rem; /* 1024px */
    text-align: left;
    padding: 2rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--clr-gray-900);
}

.modal-subtitle {
    margin-top: 0.5rem;
    color: var(--clr-gray-500);
    margin-bottom: 2rem;
}

.modal-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--clr-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}
.is-hidden {
    display: none !important;
}
/* --- Column Merging Modal Specifics --- */
.merge-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

.merge-section h4 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.merge-section-group {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.column-list {
    background-color: var(--clr-gray-50);
    border: 1px solid var(--clr-gray-200);
    border-radius: var(--border-radius-lg);
    padding: 0.75rem;
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
}

.column-list--single {
    min-height: 60px;
    max-height: 60px;
}

.column-item {
    background-color: var(--clr-white);
    border: 1px solid var(--clr-gray-300);
    border-radius: var(--border-radius-md);
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    cursor: grab;
    user-select: none;
    font-weight: 500;
}
.column-item:last-child {
    margin-bottom: 0;
}

.column-ghost {
    opacity: 0.4;
    background: var(--clr-blue-light);
}

/* Merge Preview Table */
#merge-preview-section {
    margin-top: 2rem;
}
#merge-preview-section h4 {
    font-weight: 600;
    margin-bottom: 1rem;
}
.table-container {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--clr-gray-200);
    border-radius: var(--border-radius-lg);
}
.c-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed; 
}
.c-table th, .c-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--clr-gray-200);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.c-table th {
    background-color: var(--clr-gray-50);
    font-weight: 600;
}
.c-table tr:last-child td {
    border-bottom: none;
}

.c-table th:last-child, .c-table td:last-child {
    width: 300px;
}

.c-table .c-table__col--id {
    width: 150px;
    white-space: nowrap;
}

.c-table .c-table__col--details {
    white-space: normal;
    word-break: break-word;
}


/* Home Page Card Styles */
.home-card-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 2rem; 
}

.home-card { 
    display: block; 
    text-align: center; 
    padding: 2rem; 
    border: 1px solid var(--clr-gray-300); 
    border-radius: var(--border-radius-lg); 
    transition: all 0.2s ease-in-out; 
}

.home-card:hover { 
    text-decoration: none; 
    border-color: var(--clr-teal-dark); 
    box-shadow: var(--shadow-md); 
    transform: translateY(-2px); 
}

.home-card__title { 
    font-size: 1.25rem; 
    font-weight: 600; 
    color: var(--clr-teal-dark); 
}

.home-card__text { 
    color: var(--clr-gray-500); 
    margin-top: 0.5rem; 
}

/* Profile Page Styles */
.profile-card-header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 1.5rem; 
}

.profile-card-title { 
   font-size: 1.25rem; 
   font-weight: 600; 
}

.profile-details-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 1.5rem; 
}

.profile-details-grid dt { 
    font-weight: 600; 
    color: var(--clr-gray-900); 
    font-size: 0.875rem; 
}

.profile-details-grid dd { 
    color: var(--clr-gray-500); 
    margin-top: 0.25rem; 
}

/* Danger Zone Styles */
.danger-zone { 
    margin-top: 2rem; 
    padding: 1.5rem; 
    border: 1px solid var(--clr-red-error); 
    border-radius: var(--border-radius-lg); 
}

.danger-zone__title { 
    font-size: 1.125rem; 
    font-weight: 600; 
    color: var(--clr-red-error); 
}

.danger-zone__text { 
    margin-top: 0.5rem; 
    color: var(--clr-gray-500); 
}

/* Scope In Modal */
.scope-in-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--clr-gray-200);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

/* Line Number Modal */
.line-number-list {
    background-color: var(--clr-gray-100);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    max-height: 200px;
    overflow-y: auto;
    word-break: break-all;
    text-align: left;
}

/* --- Status Badges for History Page --- */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--border-radius-lg);
    color: var(--clr-white);
}

.actions-cell {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    overflow: visible;
}

.status-badge--completed {
    background-color: var(--clr-green-ok);
}

.status-badge--running,
.status-badge--preparing,
.status-badge--queued,
.status-badge--notstarted {
    background-color: var(--clr-purple-progress);
}

.status-badge--failed,
.status-badge--canceled {
    background-color: var(--clr-red-error);
}

.status-badge--unknown {
    background-color: var(--clr-gray-500);
}

/* --- Error Details Modal --- */
.error-details-box {
    background-color: var(--clr-gray-100);
    border-radius: var(--border-radius-md);
    padding: 1rem 1.5rem;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    text-align: left;
    font-family: monospace;
    color: var(--clr-red-error);
    border: 1px solid var(--clr-gray-200);
}

/* --- Stepper Navigation --- */
.stepper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--clr-gray-200);
    padding-bottom: 1.5rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--clr-gray-500);
    transition: color 0.3s ease;
}

.step__icon {
    height: 2rem;
    width: 2rem;
    border-radius: 50%;
    background-color: var(--clr-gray-200);
    color: var(--clr-gray-500);
    border: 2px solid var(--clr-gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.step__label {
    font-weight: 600;
}

.step__connector {
    flex-grow: 1;
    height: 2px;
    background-color: var(--clr-gray-200);
    margin: 0 1rem;
}

/* Stepper Active State */
.step.is-active .step__icon {
    background-color: var(--clr-white);
    border-color: var(--clr-teal-dark);
    color: var(--clr-teal-dark);
}
.step.is-active .step__label {
    color: var(--clr-gray-900);
}

/* Stepper Complete State & Clickable */
.step.is-complete {
    cursor: pointer;
}
.step.is-complete .step__icon {
    background-color: var(--clr-teal-dark);
    border-color: var(--clr-teal-dark);
    color: var(--clr-white);
}
.step.is-complete .step__label {
    color: var(--clr-gray-900);
}
.step.is-complete + .step__connector {
    background-color: var(--clr-teal-dark);
}

/* --- Step Content --- */
.step-content {
    display: none;
}
.step-content.is-active {
    display: block;
}
.step-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}
.step-subtitle {
    color: var(--clr-gray-500);
    margin-bottom: 2rem;
}

/* --- Step Navigation Buttons --- */
.step-navigation {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--clr-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#next-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* --- Review Summary --- */
.review-summary {
    background-color: var(--clr-gray-50);
    border: 1px solid var(--clr-gray-200);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
}
.review-list {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 1rem 1.5rem;
}
.review-list dt {
    font-weight: 600;
    color: var(--clr-gray-700);
}
.review-list dd {
    color: var(--clr-gray-900);
    font-weight: 500;
}

/* --- Data Configuration Layout --- */
.merge-config-prompt {
    text-align: center;
}
.merge-config-prompt p {
    margin-bottom: 1rem;
}
.merge-config-display {
    background-color: var(--clr-gray-50);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--clr-gray-200);
    text-align: center;
    max-width: 400px;
    margin: 0 auto;
}
.merge-config-display p {
    margin-bottom: 1rem;
    font-weight: 500;
}
.merge-config-display .merge-config-actions {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

/* --- Slider labels ---*/
.slider-container {
    position: relative;
    padding-bottom: 1.5rem; /* Space for the labels */
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--clr-gray-500);
    margin-top: 0.5rem;
    padding: 0 0.5rem; /* Align with slider thumb ends */
}

.slider-labels--ends {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--clr-gray-500);
    margin-top: 0.5rem;
}

/* --- Toggle Switches --- */
/* Grid layout for toggle switches */
.toggle-switch-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Toggle switch container */
.c-toggle-switch {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
}

/* Hide native checkbox */
.c-toggle-switch input[type="checkbox"] {
    display: none;
}

/* The sliding switch */
.c-toggle-switch .switch-slider {
    position: relative;
    width: 40px;
    height: 20px;
    background-color: #ccc;
    border-radius: 10px;
    transition: background 0.3s;
}

.c-toggle-switch .switch-slider::before {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.3s;
}

/* Checked state */
.c-toggle-switch input[type="checkbox"]:checked + .switch-slider {
    background-color: #007bff;
}

.c-toggle-switch input[type="checkbox"]:checked + .switch-slider::before {
    transform: translateX(20px);
}

/* Label next to toggle */
.c-toggle-switch .switch-label {
    font-size: 0.95rem;
}

/* --- Home Page Card Styles --- */
.home-card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 columns */
    gap: 1.5rem; /* space between cards */
    max-width: 800px;
    margin: 0 auto;
}

.home-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1.5rem;
    border: 1px solid var(--clr-gray-200);
    border-radius: 0.5rem;
    text-align: left;
    background-color: var(--clr-white);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.home-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.home-card__title {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.home-card__text {
    font-size: 0.95rem;
    color: var(--clr-gray-600);
}

/* Dashboard Page Styles /*
    - Specific styles for the dashboard layout and components.
/* Layout */
.dashboard-page {
    display: flex;
    height: 100%;
}

/* Sidebar */
.dashboard-sidebar {
    width: 220px;
    background-color: #f8f9fa;
    border-right: 1px solid #dee2e6;
    padding: 1rem 0.5rem;
}

.dashboard-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dashboard-nav-item + .dashboard-nav-item {
    margin-top: 0.25rem;
}

/* Links */
.dashboard-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.35rem;
    color: #495057;
    text-decoration: none;
    font-size: 0.95rem;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.dashboard-link:hover {
    background-color: #e9ecef;
    color: #212529;
}

.dashboard-link.active {
    background-color: #17998B;
    color: #fff;
}

/* Logo */
.dashboard-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

/* Main card */
.dashboard-card {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.dashboard-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #dee2e6;
    background-color: #fff;
}

.dashboard-iframe-container {
    flex-grow: 1;
    overflow: hidden;
    background-color: #f1f3f5;
}

.dashboard-iframe {
    width: 100%;
    height: 100%;
    border: none;
}