/* ===========================
   CSS Reset & Base Styles
   =========================== */

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

:root {
    /* Color Palette - Premium Dark Theme */
    --bg-dark-start: #0a0f1c;
    --bg-dark-end: #020408;
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(100, 116, 139, 0.2);
    --glow-primary: rgba(59, 130, 246, 0.5);
    --glow-secondary: rgba(139, 92, 246, 0.3);

    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-error: #ef4444;
    --text-success: #10b981;

    /* Input Colors */
    --input-bg: rgba(15, 23, 42, 0.5);
    --input-border: rgba(100, 116, 139, 0.3);
    --input-border-focus: rgba(59, 130, 246, 0.6);
    --input-text: #f1f5f9;

    /* Button Colors */
    --btn-gradient-start: #3b82f6;
    --btn-gradient-end: #8b5cf6;
    --btn-hover-start: #2563eb;
    --btn-hover-end: #7c3aed;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.2);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--bg-dark-start) 0%, var(--bg-dark-end) 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.app-container {
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
}

.background-glow {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 20% 30%, var(--glow-primary) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, var(--glow-secondary) 0%, transparent 50%);
    opacity: 0.15;
    pointer-events: none;
    animation: glowPulse 15s ease-in-out infinite;
    z-index: 0;
}

@keyframes glowPulse {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(-5%, -5%) scale(1.1);
    }
}

.main-content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-2xl) var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

/* ===========================
   Glass Card Component
   =========================== */

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    padding: var(--spacing-2xl);
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Form Header
   =========================== */

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--glass-border);
}

.form-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.form-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 400;
}

/* ===========================
   Form Sections
   =========================== */

.form-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(100, 116, 139, 0.15);
}

.form-section:last-of-type {
    border-bottom: none;
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

.section-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--btn-gradient-start), var(--btn-gradient-end));
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
}

/* ===========================
   Form Elements
   =========================== */

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.01em;
}

.required {
    color: #ef4444;
    margin-left: 2px;
}

.form-input,
.form-textarea {
    width: 100%;
    height: 48px;
    padding: 0 var(--spacing-md);
    background: var(--input-bg);
    border: 1.5px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--input-text);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: all var(--transition-normal);
    outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--input-border-focus);
    background: rgba(15, 23, 42, 0.7);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1),
        0 0 20px rgba(59, 130, 246, 0.2);
    transform: translateY(-1px);
}

.form-input.error,
.form-textarea.error {
    border-color: var(--text-error);
    background: rgba(239, 68, 68, 0.05);
}

.form-textarea {
    height: auto;
    padding: var(--spacing-md);
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

/* Phone Input */
.phone-input-container {
    display: flex;
    gap: var(--spacing-sm);
}

.phone-country-select {
    width: 120px;
    height: 48px;
    padding: 0 var(--spacing-sm);
    background: var(--input-bg);
    border: 1.5px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--input-text);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    outline: none;
}

.phone-country-select:focus {
    border-color: var(--input-border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.phone-input {
    flex: 1;
}

/* Helper Text & Error Messages */
.helper-text {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

.error-message {
    display: none;
    font-size: 0.85rem;
    color: var(--text-error);
    margin-top: var(--spacing-xs);
    font-weight: 500;
}

.error-message:not(:empty) {
    display: block;
    animation: shake 0.3s ease-in-out;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

/* Character Counter */
.textarea-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xs);
}

.char-counter {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.char-counter.warning {
    color: #f59e0b;
}

.char-counter.error {
    color: var(--text-error);
}

/* ===========================
   Address Autocomplete
   =========================== */

.autocomplete-wrapper {
    position: relative;
}

.address-input-container {
    position: relative;
}

.address-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1.5px solid var(--input-border-focus);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(59, 130, 246, 0.2),
        var(--shadow-glow);
    max-height: 320px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    animation: dropdownSlide 0.2s ease-out;
}

.address-dropdown.active {
    display: block;
}

@keyframes dropdownSlide {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.address-dropdown-item {
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 1px solid rgba(100, 116, 139, 0.1);
}

.address-dropdown-item:last-child {
    border-bottom: none;
}

.address-dropdown-item:hover,
.address-dropdown-item.selected {
    background: rgba(59, 130, 246, 0.15);
}

.address-dropdown-item:active {
    background: rgba(59, 130, 246, 0.25);
}

.address-primary {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 2px;
}

.address-secondary {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.address-loading {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Custom Scrollbar for Dropdowns */
.address-dropdown::-webkit-scrollbar,
.lpa-dropdown::-webkit-scrollbar {
    width: 8px;
}

.address-dropdown::-webkit-scrollbar-track,
.lpa-dropdown::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.3);
    border-radius: var(--radius-md);
}

.address-dropdown::-webkit-scrollbar-thumb,
.lpa-dropdown::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.5);
    border-radius: var(--radius-md);
}

.address-dropdown::-webkit-scrollbar-thumb:hover,
.lpa-dropdown::-webkit-scrollbar-thumb:hover {
    background: rgba(59, 130, 246, 0.7);
}

/* ===========================
   LPA Dropdown
   =========================== */

.lpa-dropdown-container {
    position: relative;
}

.lpa-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1.5px solid var(--input-border-focus);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(59, 130, 246, 0.2),
        var(--shadow-glow);
    max-height: 280px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    animation: dropdownSlide 0.2s ease-out;
}

.lpa-dropdown.active {
    display: block;
}

.lpa-dropdown-item {
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 1px solid rgba(100, 116, 139, 0.1);
    font-size: 0.95rem;
    color: var(--text-primary);
}

.lpa-dropdown-item:last-child {
    border-bottom: none;
}

.lpa-dropdown-item:hover,
.lpa-dropdown-item.selected {
    background: rgba(59, 130, 246, 0.15);
}

.lpa-no-results {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===========================
   File Upload
   =========================== */

.file-upload-container {
    position: relative;
}

.file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    padding: var(--spacing-xl);
    background: var(--input-bg);
    border: 2px dashed var(--input-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.file-upload-label:hover {
    border-color: var(--input-border-focus);
    background: rgba(15, 23, 42, 0.7);
    transform: translateY(-2px);
}

.file-upload-label.drag-over {
    border-color: var(--btn-gradient-start);
    background: rgba(59, 130, 246, 0.1);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.upload-icon {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.upload-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.upload-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.uploaded-files {
    margin-top: var(--spacing-md);
}

.uploaded-file {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.uploaded-file:hover {
    background: rgba(15, 23, 42, 0.8);
}

.file-info {
    flex: 1;
}

.file-name {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 2px;
}

.file-size {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.file-remove {
    background: transparent;
    border: none;
    color: var(--text-error);
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
}

.file-remove:hover {
    background: rgba(239, 68, 68, 0.1);
    transform: scale(1.1);
}

/* ===========================
   Submit Button
   =========================== */

.form-actions {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
}

.submit-button {
    width: 100%;
    height: 56px;
    background: linear-gradient(135deg, var(--btn-gradient-start), var(--btn-gradient-end));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
    position: relative;
    overflow: hidden;
}

.submit-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.submit-button:hover::before {
    left: 100%;
}

.submit-button:hover {
    background: linear-gradient(135deg, var(--btn-hover-start), var(--btn-hover-end));
    box-shadow: 0 6px 24px rgba(59, 130, 246, 0.5);
    transform: translateY(-2px);
}

.submit-button:active {
    transform: translateY(0);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.submit-button:disabled:hover {
    transform: none;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
}

.button-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.spinner {
    animation: spin 1s linear infinite;
}

.spinner-circle {
    stroke: white;
    stroke-linecap: round;
    stroke-dasharray: 50;
    stroke-dashoffset: 25;
    animation: spinnerDash 1.5s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes spinnerDash {
    0% {
        stroke-dashoffset: 50;
    }

    50% {
        stroke-dashoffset: 12.5;
    }

    100% {
        stroke-dashoffset: 50;
    }
}

/* ===========================
   Success Screen
   =========================== */

.success-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 15, 28, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    z-index: 2000;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.success-card {
    max-width: 500px;
    text-align: center;
    animation: scaleIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.success-icon {
    margin-bottom: var(--spacing-xl);
    animation: checkPop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s both;
}

@keyframes checkPop {
    from {
        opacity: 0;
        transform: scale(0);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.success-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-success);
    margin-bottom: var(--spacing-md);
}

.success-message {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.submit-another-button {
    width: 100%;
    height: 52px;
    background: transparent;
    border: 2px solid var(--text-success);
    border-radius: var(--radius-md);
    color: var(--text-success);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.submit-another-button:hover {
    background: var(--text-success);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
}


/* ===========================
   Sticky Submit on Mobile
   =========================== */

@media (max-width: 768px) {
    .form-actions {
        position: sticky;
        bottom: 0;
        background: linear-gradient(to top, var(--bg-dark-start) 80%, transparent);
        padding: var(--spacing-lg) 0;
        margin-top: var(--spacing-xl);
        margin-left: calc(-1 * var(--spacing-lg));
        margin-right: calc(-1 * var(--spacing-lg));
        padding-left: var(--spacing-lg);
        padding-right: var(--spacing-lg);
        z-index: 50;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .form-header h1 {
        font-size: 1.75rem;
    }

    .glass-card {
        padding: var(--spacing-lg);
    }

    .main-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .settings-link {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
    }
}

/* ===========================
   Accessibility
   =========================== */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--btn-gradient-start);
    outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}