/* Modern CSS inspired by Skalata VC design patterns */

:root {
    /* Updated color palette with new primary */
    --primary: #ff4b11;
    --primary-light: #ff6b3d;
    --accent: #ff4b11;
    --accent-hover: #e63e0a;
    --accent-light: #ff7a4d;
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --background: #ffffff;
    --background-alt: #f8fafc;
    --border: #e5e7eb;
    --border-light: #f1f5f9;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --error: #ef4444;
    --error-light: #fee2e2;
    --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 -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --radius-sm: 6px;
    --radius-lg: 16px;
    --transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-long: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--background-alt);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding: clamp(1rem, 4vw, 2rem);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--background);
    border-radius: var(--radius-lg);
    padding: clamp(2rem, 5vw, 3rem);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.form-header {
    text-align: center;
    margin-bottom: clamp(2rem, 5vw, 3rem);
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.form-logo {
    height: 32px;
    width: auto;
    margin-bottom: 1.5rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.form-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.quarter-display {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    background: var(--background-alt);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    display: inline-block;
    margin-top: 0.5rem;
    white-space: pre-line;
    text-align: center;
    line-height: 1.4;
}

.form-group {
    margin-bottom: 2.5rem;
}

.form-group:last-of-type {
    margin-bottom: 2rem;
}

.form-group-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent);
    letter-spacing: -0.025em;
    position: relative;
}

.form-group-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 2rem;
    height: 2px;
    background: var(--accent-light);
    border-radius: 1px;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .input-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

.input-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.file-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-style: italic;
}

.file-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--background-alt);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
}

.file-section:last-of-type {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.info-note {
    background: var(--background-alt);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.required {
    color: var(--error);
    font-weight: 700;
}

.form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    font-weight: 500;
    transition: var(--transition);
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.5;
}

.form-input:focus {
    outline: none !important;
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: none !important;
}

.form-input:focus-visible {
    outline: none !important;
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: none !important;
}

/* Remove focus styles only from text inputs, not radio buttons */
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
    outline: none !important;
    box-shadow: none !important;
}

/* Remove webkit focus styles only from text inputs */
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
}

.form-input:disabled {
    background: var(--background-alt);
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

select.form-input {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 3rem;
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.75rem;
}

.radio-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    background: var(--background);
}

.radio-item:hover {
    border-color: var(--accent-light);
    background: var(--background-alt);
    transform: translateY(-1px);
}

.radio-item:has(input:checked) {
    border-color: var(--accent);
    background: rgba(255, 75, 17, 0.05);
}

.radio-input {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--accent);
    cursor: pointer;
    border: none;
}

.radio-item label {
    font-weight: 500;
    cursor: pointer;
    color: var(--text-primary);
    margin: 0;
    text-transform: none;
    letter-spacing: 0;
}

.file-upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-long);
    cursor: pointer;
    position: relative;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--background) 0%, var(--background-alt) 100%);
}

.file-upload-area:hover {
    border-color: var(--accent-light);
    background: linear-gradient(135deg, rgba(255, 75, 17, 0.02) 0%, rgba(255, 122, 77, 0.02) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.file-upload-area.dragover {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(255, 75, 17, 0.05) 0%, rgba(255, 122, 77, 0.05) 100%);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.file-upload-area.file-uploaded {
    border-color: var(--success);
    background: linear-gradient(135deg, var(--success-light) 0%, rgba(16, 185, 129, 0.1) 100%);
    border-style: solid;
}

.file-input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 1;
}

.upload-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    pointer-events: none;
    z-index: 0;
    line-height: 1.6;
}

.upload-text strong {
    color: var(--accent);
    font-weight: 600;
}

.loading-indicator {
    display: none;
    text-align: center;
    padding: 2rem 1rem;
    margin: 1rem 0;
    background: var(--background-alt);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}

.loading-indicator.show {
    display: block;
    animation: slideIn 0.3s ease-out;
}

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

.progress-step {
    margin: 0.75rem 0;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    transition: var(--transition-long);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.progress-step.active {
    background: linear-gradient(135deg, rgba(255, 75, 17, 0.1) 0%, rgba(255, 122, 77, 0.05) 100%);
    color: var(--accent);
    border: 1px solid rgba(255, 75, 17, 0.2);
    animation: pulse 2s ease-in-out infinite;
}

.progress-step.completed {
    background: linear-gradient(135deg, var(--success-light) 0%, rgba(16, 185, 129, 0.1) 100%);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.progress-step.error {
    background: linear-gradient(135deg, var(--error-light) 0%, rgba(239, 68, 68, 0.1) 100%);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

@keyframes errorPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.02);
        opacity: 0.95;
    }
}

.progress-icon {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: white;
    border: none;
    padding: 1.25rem 2rem;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition-long);
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.submit-btn::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-btn:hover {
    background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.submit-btn:disabled {
    background: linear-gradient(135deg, var(--text-muted) 0%, var(--border) 100%);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.submit-btn:disabled::before {
    display: none;
}

.error-message {
    display: none;
    background: linear-gradient(135deg, var(--error-light) 0%, rgba(239, 68, 68, 0.05) 100%);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--error);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-top: 0.75rem;
    font-weight: 500;
    animation: slideIn 0.3s ease-out;
}

.error-message.show {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.error-message::before {
    content: '⚠ ';
    font-size: 1.125rem;
    flex-shrink: 0;
}

.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--background);
    border: 2px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    max-height: 250px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: var(--shadow-lg);
}

.autocomplete-dropdown div {
    padding: 0.875rem 1.25rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
    font-weight: 500;
}

.autocomplete-dropdown div:hover {
    background: var(--background-alt);
    color: var(--accent);
}

.autocomplete-dropdown div:last-child {
    border-bottom: none;
}

/* Success Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.success-modal {
    background: var(--background);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal-overlay.show .success-modal {
    transform: translateY(0);
}

.success-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--success) 0%, var(--success-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.success-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.success-message {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.modal-btn {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: white;
    border: none;
    padding: 0.875rem 2rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* Runway Warning Styles */
.runway-warning {
    display: none !important; /* Force hidden by default */
    background: linear-gradient(135deg, var(--warning-light) 0%, rgba(245, 158, 11, 0.05) 100%);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--warning);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-top: 0.75rem;
    font-weight: 500;
    animation: slideIn 0.3s ease-out;
}

.runway-warning.show {
    display: flex !important; /* Force show when class is applied */
    align-items: center;
    gap: 0.75rem;
}

.runway-warning::before {
    content: '⚠ ';
    font-size: 1.125rem;
    flex-shrink: 0;
}

.runway-warning-buttons {
    margin-top: 0.75rem;
    display: flex;
    gap: 0.75rem;
}

.warning-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
}

.warning-btn.confirm {
    background: var(--warning);
    color: white;
}

.warning-btn.confirm:hover {
    background: #d97706;
    transform: translateY(-1px);
}

.warning-btn.change {
    background: var(--background-alt);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.warning-btn.change:hover {
    background: var(--border-light);
    transform: translateY(-1px);
}

/* Responsive design */
@media (max-width: 768px) {
    body {
        padding: 1rem;
    }
    
    .form-container {
        padding: 1.5rem;
    }
    
    .form-title {
        font-size: 1.75rem;
    }
    
    .quarter-display {
        font-size: 1rem;
        padding: 0.625rem 1.25rem;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .file-upload-area {
        padding: 1.5rem 1rem;
        min-height: 100px;
    }
    
    .progress-step {
        padding: 0.75rem 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .submit-btn {
        padding: 1rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .form-container {
        border-radius: var(--radius);
    }
    
    .form-group-title {
        font-size: 1.125rem;
    }
    
    .form-input {
        padding: 0.875rem 1rem;
    }
    
    .radio-item {
        padding: 0.625rem 1rem;
    }
}

/* Focus improvements for accessibility */
.form-input:focus-visible,
.radio-input:focus-visible,
.submit-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border: #000000;
        --text-secondary: #000000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    .form-container {
        box-shadow: none;
        border: 1px solid #000;
        padding: 1rem;
    }
    
    .submit-btn {
        display: none;
    }
    
    .loading-indicator {
        display: none !important;
    }
    
    .modal-overlay {
        display: none !important;
    }
}