:root {
    /* Color Palette - Matching Dashboard Theme */
    --color-bg-primary: #FAFAFA;
    --color-bg-secondary: #FFFFFF;
    --color-text-primary: #0A0A0A;
    --color-text-secondary: #6B6B6B;
    --color-text-tertiary: #A0A0A0;
    --color-accent-blue: #4A90E2;
    --color-accent-blue-light: #6BA4E8;
    --color-accent-blue-dark: #3A7BC8;
    --color-success: #4CAF50;
    --color-error: #E53935;
    --color-warning: #FFA726;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.6875rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 2.5rem;
    --font-size-2xl: 3.5rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
}

/* ==================== RESET & BASE ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    z-index: 1000;
    padding: 1.25rem 3rem;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1600px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.05em;
}

.logo-icon {
    font-size: 1.25rem;
    color: var(--color-accent-blue);
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-xs);
    font-weight: 500;
    letter-spacing: 0.08em;
    transition: color var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.settings-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 500;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: color var(--transition-base);
    font-family: var(--font-primary);
}

.settings-btn:hover {
    color: var(--color-text-primary);
}

.user-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    background: var(--color-text-secondary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* ==================== MAIN LAYOUT ==================== */
.main-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1600px;
    margin: 0 auto;
    padding: 8rem 3rem 4rem;
    min-height: calc(100vh - 5rem);
}

/* ==================== FORM HEADER SECTION ==================== */
.form-header-section {
    padding-top: 2rem;
}

.phase-label {
    color: var(--color-warning);
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    margin-bottom: 2rem;
}

.form-title {
    font-size: var(--font-size-2xl);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--color-text-primary);
}

.form-subtitle {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-width: 500px;
}

/* ==================== FORM SECTION ==================== */
.form-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-card {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

/* ==================== FORM GROUPS ==================== */
.genesis-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-group {
    position: relative;
}

/* ==================== INPUT WRAPPER & GLOW EFFECT ==================== */
.input-wrapper {
    position: relative;
    isolation: isolate;
}

.input-glow {
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-blue-light));
    opacity: 0;
    filter: blur(8px);
    transition: opacity var(--transition-base);
    z-index: -1;
    pointer-events: none;
}

.input-wrapper:focus-within .input-glow {
    opacity: 0.4;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.6; }
}

/* ==================== FLOATING LABEL ANIMATION ==================== */
.form-input {
    width: 100%;
    padding: 1.25rem 1rem 0.75rem;
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-base);
}

.form-input:focus {
    border-color: var(--color-accent-blue);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.floating-label {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    pointer-events: none;
    transition: all var(--transition-spring);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transform-origin: left center;
}

.label-text {
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
}

/* Floating State - When input has focus or value */
.form-input:focus ~ .floating-label,
.form-input:not(:placeholder-shown) ~ .floating-label {
    top: 0.625rem;
    transform: translateY(0) scale(1);
    font-size: var(--font-size-xs);
    color: var(--color-accent-blue);
}

.form-input:not(:focus):not(:placeholder-shown) ~ .floating-label {
    color: var(--color-text-tertiary);
}

/* Valid State - Green checkmark */
.form-input:valid:not(:placeholder-shown) ~ .floating-label .label-text {
    color: var(--color-success);
}

.validation-icon {
    display: none;
    font-size: 0.875rem;
}

.form-input:valid:not(:placeholder-shown) ~ .floating-label .validation-icon::before {
    content: '✓';
    display: inline-block;
    color: var(--color-success);
    animation: checkmark-pop 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes checkmark-pop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Invalid State */
.form-input:invalid:not(:placeholder-shown):not(:focus) {
    border-color: var(--color-error);
}

.form-input:invalid:not(:placeholder-shown):not(:focus) ~ .floating-label .label-text {
    color: var(--color-error);
}

/* ==================== AUTOFILL OVERRIDE ==================== */
.form-input:-webkit-autofill,
.form-input:-webkit-autofill:hover,
.form-input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px var(--color-bg-secondary) inset;
    -webkit-text-fill-color: var(--color-text-primary);
    transition: background-color 5000s ease-in-out 0s;
}

.form-input:-webkit-autofill ~ .floating-label {
    top: 0.625rem;
    transform: translateY(0) scale(1);
    font-size: var(--font-size-xs);
    color: var(--color-accent-blue);
}

/* ==================== CUSTOM SELECT ==================== */
.custom-select {
    position: relative;
    cursor: pointer;
}

.select-trigger {
    width: 100%;
    padding: 1.25rem 1rem 0.75rem;
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-base);
}

.custom-select:focus .select-trigger,
.custom-select[aria-expanded="true"] .select-trigger {
    border-color: var(--color-accent-blue);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.select-value {
    color: var(--color-text-secondary);
}

.select-value.has-value {
    color: var(--color-text-primary);
}

.select-arrow {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    transition: transform var(--transition-base);
}

.custom-select[aria-expanded="true"] .select-arrow {
    transform: rotate(180deg);
}

.custom-select .floating-label {
    top: 0.625rem;
    transform: translateY(0) scale(1);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

.custom-select:focus .floating-label,
.custom-select[aria-expanded="true"] .floating-label {
    color: var(--color-accent-blue);
}

.select-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    list-style: none;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 100;
}

.custom-select[aria-expanded="true"] .select-dropdown {
    max-height: 300px;
    opacity: 1;
    transform: translateY(0);
    overflow-y: auto;
}

.select-option {
    padding: 0.875rem 1rem;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.select-option:hover,
.select-option:focus {
    background-color: rgba(74, 144, 226, 0.08);
    outline: none;
}

.select-option.selected {
    background-color: rgba(74, 144, 226, 0.12);
    font-weight: 600;
}

/* ==================== DYNAMIC FIELDS (PROGRESSIVE DISCLOSURE) ==================== */
.dynamic-fields {
    display: grid;
    gap: 2rem;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all var(--transition-slow);
}

.dynamic-fields.active {
    max-height: 1000px;
    opacity: 1;
    margin-bottom: 0;
}

.dynamic-field {
    animation: slide-down var(--transition-slow) cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slide-down {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== ERROR TOOLTIP (GLASSMORPHIC) ==================== */
.error-tooltip {
    position: absolute;
    top: 50%;
    right: -20px;
    transform: translate(100%, -50%);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: var(--font-size-xs);
    color: var(--color-error);
    box-shadow: var(--glass-shadow);
    max-width: 250px;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    z-index: 10;
}

.error-tooltip::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: var(--glass-bg);
    border-left: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
}

.error-tooltip.visible {
    opacity: 1;
    pointer-events: auto;
    right: -30px;
}

/* ==================== FORM ACTIONS ==================== */
.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.btn {
    padding: 0.875rem 1.75rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    font-family: var(--font-primary);
    letter-spacing: 0.08em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-text-primary);
    color: white;
    flex: 1;
}

.btn-primary:hover:not(:disabled) {
    background: #1a1a1a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid rgba(0, 0, 0, 0.12);
}

.btn-secondary:hover {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.2);
}

.btn-arrow {
    transition: transform var(--transition-base);
}

.btn-primary:hover .btn-arrow {
    transform: translateX(3px);
}

/* Button Spinner */
.btn-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-primary.loading .btn-text,
.btn-primary.loading .btn-arrow {
    display: none;
}

.btn-primary.loading .btn-spinner {
    display: block;
}

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

/* ==================== INFO CARD ==================== */
.info-card {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.info-card-header {
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.info-quote {
    font-size: var(--font-size-base);
    font-style: italic;
    line-height: 1.7;
    color: var(--color-text-primary);
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 2px solid var(--color-accent-blue);
}

.specs-section {
    margin-bottom: 2rem;
}

.specs-header {
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

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

.spec-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    letter-spacing: 0.05em;
}

.spec-value {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
}

.progress-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.progress-bar {
    height: 4px;
    background: rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-warning), #FFB84D);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    letter-spacing: 0.05em;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    padding: 1.5rem 3rem;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1600px;
    margin: 0 auto;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.footer-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    letter-spacing: 0.05em;
}

.footer-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 500;
    letter-spacing: 0.05em;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-primary);
    transition: color var(--transition-base);
}

.footer-btn:hover {
    color: var(--color-text-primary);
}

.globe-icon {
    font-size: 1rem;
}

.autosave-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-xs);
    color: var(--color-success);
    letter-spacing: 0.05em;
}

.autosave-icon {
    font-size: 1rem;
}

/* ==================== MODAL ==================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fade-in var(--transition-base);
}

.modal-content {
    position: relative;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: scale-in var(--transition-base);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

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

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

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

.btn-danger:hover {
    background: #C62828;
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ==================== FOCUS MODE (DIM OTHER FIELDS) ==================== */
.genesis-form.focus-mode .form-group:not(.focused) {
    opacity: 0.4;
    transition: opacity var(--transition-base);
}

.genesis-form.focus-mode .form-group.focused {
    opacity: 1;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .main-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 6rem 2rem 3rem;
    }
    
    .error-tooltip {
        position: static;
        transform: none;
        margin-top: 0.5rem;
        max-width: 100%;
    }
    
    .error-tooltip::before {
        display: none;
    }
}

@media (max-width: 640px) {
    .header {
        padding: 1rem 1.5rem;
    }
    
    .nav {
        display: none;
    }
    
    .form-card {
        padding: 1.5rem;
    }
    
    .form-title {
        font-size: var(--font-size-xl);
    }
    
    .form-actions {
        flex-direction: column;
    }
}