/*
    ========================================
    Wilson Housing Alliance Application CSS
    Rewritten for Modernity, Accessibility, and Maintainability
    ========================================
*/

/* ---------------------------------- */
/* !CSS Variables & Theme Setup       */
/* ---------------------------------- */
:root {
    /* Color Palette */
    --primary-color: #1e3c72;
    --primary-color-light: #2a5298;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --error-color: #d9534f;
    --info-color: #1a4a73;

    /* Light Theme */
    --bg-color: #f4f7f6;
    --surface-color: #ffffff;
    --surface-color-secondary: #f9f9f9;
    --text-color: #333333;
    --text-color-muted: #555555;
    --border-color: #e0e0e0;
    --border-color-input: #cccccc;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --success-bg: #e6f7f0;
    --success-text: #12593a;
    --success-border: #b3e6d1;
    --error-bg: #fdecea;
    --error-text: #7d2a2b;
    --error-border: #f8c6c7;
    --info-bg: #e8f4fd;
    --info-border: #b8dafb;
    --spinner-track-color: #f0f0f0;
    /* Spacing & Sizing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    --border-radius: 8px;
    --container-width: 900px;
}

[data-theme="dark"] {
    --primary-color: #3498db;
    --primary-color-light: #5abde5;
    --secondary-color: #4a4a4a;
    --success-color: #27ae60;
    --error-color: #ff6961;
    --info-color: #b3d4ff;
    --bg-color: #1a1a1a;
    --surface-color: #2a2a2a;
    --surface-color-secondary: #3a3a3a;
    --text-color: #f0f0f0;
    --text-color-muted: #cccccc;
    --border-color: #444444;
    --border-color-input: #555555;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --success-bg: #2e4b3d;
    --success-text: #a8e6cf;
    --success-border: #3d8b5f;
    --error-bg: #4b2e2e;
    --error-text: #ffb3b3;
    --error-border: #8b3d3d;
    --info-bg: #2e3d4b;
    --info-border: #3d5f8b;
    --spinner-track-color: #333;
}

/* ---------------------------------- */
/* !Global Styles & Resets            */
/* ---------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    background-color: var(--bg-color);
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: var(--container-width);
    margin: var(--spacing-xl) auto;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px var(--shadow-color);
    overflow: hidden;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

h1 { font-size: 1.8em; }
h2 { font-size: 1.5em; }
h3 { font-size: 1.25em; }
h4 { font-size: 1.1em; }

p { margin-bottom: var(--spacing-md); }
ul, ol { padding-left: var(--spacing-lg); }
li { margin-bottom: var(--spacing-sm); }
a { color: var(--primary-color); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------------------------- */
/* !Initial Landing Page Styles       */
/* ---------------------------------- */
#initialScreen {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: var(--spacing-xl);
    min-height: 100vh;
}

.initial-container {
    width: 100%;
    max-width: 800px;
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(0 4px 15px var(--shadow-color));
    overflow: hidden;
}

.initial-header {
    background-color: var(--primary-color);
    padding: var(--spacing-lg);
    display: flex;
    justify-content: center;
    align-items: center;
}

.initial-header img {
    max-height: 100px;
    width: auto;
    background: white;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
}

.initial-content {
    padding: var(--spacing-xl);
    text-align: center;
}

.initial-content h1 {
    font-size: 2.2em;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.initial-content .welcome-subtitle {
    font-size: 1.6em;
    font-weight: 300;
    color: var(--text-color-muted);
    margin-bottom: var(--spacing-xl);
}

.initial-content .info-box {
    background-color: #e9f3fe;
    border: 1px solid #b8dafb;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: left;
    margin: var(--spacing-xl) auto;
}

[data-theme="dark"] .initial-content .info-box {
    background-color: var(--info-bg);
    border-color: var(--info-border);
}


.initial-content .info-box p {
    margin-bottom: var(--spacing-lg);
    color: #333;
}
[data-theme="dark"] .initial-content .info-box p {
    color: var(--text-color);
}

.initial-content .option {
    margin-bottom: var(--spacing-lg);
}
.initial-content .option:last-child {
    margin-bottom: 0;
}

.initial-content .option h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.initial-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* ---------------------------------- */
/* !Layout & Header (Main App)        */
/* ---------------------------------- */
.main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.logo-container { height: 60px; }
.logo-container img { max-height: 100%; width: auto; }
.logo-fallback { font-size: 1.4em; font-weight: bold; color: var(--primary-color); }

.main-header h1 {
    font-size: 1.4em;
    text-align: center;
    margin: 0 var(--spacing-md);
    flex-grow: 1;
}

.form-container {
    padding: var(--spacing-lg);
}

/* ---------------------------------- */
/* !Progress Bar & Stepper            */
/* ---------------------------------- */
.progress-container {
    padding: var(--spacing-lg) 0;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background-color: var(--border-color);
    border-radius: 5px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0;
    background-color: var(--primary-color);
    transition: width 0.4s ease, background-color 0.3s ease;
}

.stepper-nav {
    display: flex;
    justify-content: space-between;
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-sm);
    overflow-x: auto;
}

.step {
    flex: 1 1 0;
    text-align: center;
    padding: var(--spacing-sm);
    color: var(--text-color-muted);
    border-bottom: 3px solid transparent;
    cursor: not-allowed;
    white-space: nowrap;
    font-size: 0.9em;
    position: relative;
    transition: color 0.3s, border-color 0.3s;
}

.step.completed {
    cursor: pointer;
    color: var(--primary-color);
}

.step.active {
    font-weight: bold;
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* ---------------------------------- */
/* !Form Steps & Navigation           */
/* ---------------------------------- */
.step-content {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}
.step-content.active {
    display: block;
}

.section-header, .subsection-header {
    text-align: center;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--primary-color);
}

.subsection-header {
    text-align: left;
    font-size: 1.2em;
    border-bottom: 1px solid var(--border-color);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.form-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------------------------------- */
/* !Form Elements                     */
/* ---------------------------------- */
.form-group, .contact-block {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.form-col { flex: 1; min-width: 200px; }
.form-col.half { flex-basis: calc(50% - (var(--spacing-lg) / 2)); }
.form-col.third { flex-basis: calc(33.333% - (var(--spacing-lg) * 2 / 3)); }
.full-width { width: 100%; flex-basis: 100%;}

label {
    display: block;
    font-weight: 600;
    font-size: 0.9em;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
}

.text-red-important {
    color: var(--error-color) !important;
    font-weight: bold !important;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: inherit;
    font-size: 1em;
    border: 1px solid var(--border-color-input);
    border-radius: var(--border-radius);
    background-color: var(--surface-color);
    color: var(--text-color);
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.3s, color 0.3s;
}

input:focus-visible, textarea:focus-visible, select:focus-visible {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary-color) 20%, transparent);
}

.is-invalid input, .is-invalid textarea, .is-invalid .signature-pad-container, .is-invalid .initials-input {
    border-color: var(--error-color) !important;
}
.is-invalid input:focus-visible, .is-invalid textarea:focus-visible {
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--error-color) 20%, transparent) !important;
}

textarea { resize: vertical; min-height: 120px; }

.error-message {
    display: none;
    color: var(--error-text);
    background-color: var(--error-bg);
    border: 1px solid var(--error-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85em;
    margin-top: var(--spacing-xs);
}
.is-invalid .error-message { display: block; }
.is-invalid > .error-message { display: block; } /* For direct children */


.required-asterisk {
    color: var(--error-color);
    font-weight: bold;
    margin-left: 2px;
}

.checkbox-group, .radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm) var(--spacing-lg);
    padding-top: var(--spacing-xs);
}
.checkbox-item, .radio-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.checkbox-item label, .radio-item label { font-weight: normal; margin-bottom: 0; }
input[type="checkbox"], input[type="radio"] {
    width: 1.2em;
    height: 1.2em;
    accent-color: var(--primary-color);
}
.conditional-field { display: none; }
.static-field {
    background-color: var(--surface-color-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: 0.9em;
}

/* ---------------------------------- */
/* !Component Styles                  */
/* ---------------------------------- */
.btn, .btn-primary, .btn-secondary, .btn-success, .btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1em;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    font-family: inherit;
    gap: var(--spacing-xs);
}
.btn:active { transform: translateY(1px); }
.btn:disabled { cursor: not-allowed; opacity: 0.6; }

.btn-primary { background-color: var(--primary-color); color: #fff; }
.btn-primary:hover:not(:disabled) { background-color: var(--primary-color-light); }

.btn-secondary { background-color: var(--secondary-color); color: #fff; }
.btn-secondary:hover:not(:disabled) { background-color: color-mix(in srgb, var(--secondary-color) 85%, black); }

.btn-success { background-color: var(--success-color); color: #fff; }
.btn-success:hover:not(:disabled) { background-color: color-mix(in srgb, var(--success-color) 85%, black); }

.btn-icon {
    padding: var(--spacing-sm);
    font-size: 1.2em;
    background: transparent;
    color: var(--text-color-muted);
    border: 1px solid transparent;
}
.btn-icon:hover { background-color: color-mix(in srgb, var(--primary-color) 10%, transparent); }

.policy-section, .signature-wrapper {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--surface-color-secondary);
}
.policy-title {
    font-weight: bold;
    font-size: 1.15em;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}
.read-acknowledge-group {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--surface-color);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}
.accordion-group {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}
.accordion-group summary {
    cursor: pointer;
    font-weight: bold;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--surface-color-secondary);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.accordion-group summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    transition: transform 0.3s ease;
}
.accordion-group[open] > summary::after { transform: rotate(180deg); }
.accordion-content { padding: var(--spacing-lg); }

.signature-pad-container {
    border: 2px dashed var(--border-color-input);
    border-radius: var(--border-radius);
    background-color: var(--surface-color);
    cursor: crosshair;
    height: 200px;
    touch-action: none;
}
.signature-pad-container canvas { display: block; width: 100%; height: 100%; border-radius: calc(var(--border-radius) - 2px); }
.signature-buttons { margin-top: var(--spacing-sm); display: flex; justify-content: flex-end; }

.initials-container .is-invalid .error-message {
    text-align: right;
    width: 100%;
    padding: 2px 5px;
}

.initials-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.initials-item:last-child { border-bottom: none; margin-bottom: 0; }
.initials-item label { flex: 1; font-weight: normal; font-size: 0.9em; margin-top: var(--spacing-sm); }
.initials-input { width: 80px !important; text-align: center; }

.alert { padding: var(--spacing-md) var(--spacing-lg); border-radius: var(--border-radius); margin-bottom: var(--spacing-lg); border: 1px solid transparent; }
.alert-success { background-color: var(--success-bg); color: var(--success-text); border-color: var(--success-border); }
.alert-error { background-color: var(--error-bg); color: var(--error-text); border-color: var(--error-border); }
.alert-info { background-color: var(--info-bg); color: var(--primary-color); border-color: var(--info-border); }

.pdf-preview-container { margin-top: var(--spacing-lg); }
.pdf-preview-iframe { width: 100%; height: 60vh; border: 1px solid var(--border-color); border-radius: var(--border-radius); }

/* ---------------------------------- */
/* !Overlays & Modals                 */
/* ---------------------------------- */
.loading-overlay {
    display: none;
    position: fixed; inset: 0; background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000; justify-content: center; align-items: center; flex-direction: column; color: white;
}
.spinner {
    border: 5px solid var(--spinner-track-color); border-top-color: var(--primary-color);
    border-radius: 50%; width: 60px; height: 60px;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-lg);
}
@keyframes spin { to { transform: rotate(360deg); } }

dialog {
    padding: var(--spacing-xl); border-radius: var(--border-radius); border: none;
    box-shadow: 0 5px 20px var(--shadow-color); background-color: var(--surface-color);
    color: var(--text-color); max-width: 500px; width: 90%;
}
dialog::backdrop { background-color: rgba(0, 0, 0, 0.5); backdrop-filter: blur(3px); }
dialog p { font-size: 1.1em; text-align: center; }
.dialog-buttons { display: flex; justify-content: center; gap: var(--spacing-md); margin-top: var(--spacing-lg); }
dialog[data-is-error="true"] p { color: var(--error-color); }

/* ---------------------------------- */
/* !Thank You Page & Utils            */
/* ---------------------------------- */
.thank-you-container { padding: var(--spacing-xl); text-align: center; animation: fadeIn 0.5s ease; }
.thank-you-card { background: var(--surface-color-secondary); padding: var(--spacing-xl); border-radius: var(--border-radius); display: inline-block; }
.thank-you-icon { font-size: 4em; color: var(--success-color); margin-bottom: var(--spacing-lg); }
.thank-you-card p { max-width: 600px; margin-left: auto; margin-right: auto; }

.mt-10 { margin-top: var(--spacing-sm); }
.mt-20 { margin-top: var(--spacing-lg); }
.mt-30 { margin-top: var(--spacing-xl); }
.mb-20 { margin-bottom: var(--spacing-lg); }
.mr-5 { margin-right: var(--spacing-xs); }
.text-center { text-align: center; }

.instruction-text {
    color: var(--text-color-muted);
    font-weight: bold;
    font-style: italic;
    font-size: 0.95em;
}

.contact-block .remove-contact-btn { align-self: flex-start; }

/* ---------------------------------- */
/* !Responsive Design                 */
/* ---------------------------------- */
@media (max-width: 768px) {
    body { font-size: 15px; }
    #initialScreen, .container { margin: 0; border-radius: 0; border: none; }
    .main-header h1 { font-size: 1.2em; }
    .form-row { flex-direction: column; gap: var(--spacing-md); }
    .form-col.half, .form-col.third { flex-basis: 100%; }
    .form-navigation { flex-direction: column-reverse; gap: var(--spacing-md); }
    .form-navigation .btn { width: 100%; }
}

/* ---------------------------------- */
/* !Custom Additions & Fixes          */
/* ---------------------------------- */
.summary-highlight {
    color: var(--error-color);
    font-weight: bold;
}

/* --- Fix for Centering Dialog Modals --- */
dialog {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin: 0; /* Override any default margins */
}

/* --- Utility class to prevent flex items from wrapping --- */
.no-wrap {
    flex-wrap: nowrap !important;
}