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

:root {
    --primary: #1a56db;
    --primary-dark: #1244b8;
    --primary-light: #e8effc;
    --success: #059669;
    --success-light: #d1fae5;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

/* === Header === */
#header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 24px;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo img { height: 40px; }

#nav-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

#nav-user span {
    color: var(--gray-600);
    font-size: 14px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    text-decoration: none;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); box-shadow: var(--shadow-md); }

.btn-secondary { background: var(--gray-100); color: var(--gray-700); border: 1px solid var(--gray-300); }
.btn-secondary:hover { background: var(--gray-200); }

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #047857; box-shadow: var(--shadow-md); }

.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: var(--primary-light); }

.btn-ghost { background: transparent; color: var(--gray-600); padding: 8px 12px; }
.btn-ghost:hover { color: var(--gray-900); background: var(--gray-100); }

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #b91c1c; }

/* === Utility === */
.hidden { display: none !important; }
.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
.screen { animation: fadeIn 0.3s ease; }

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

/* === Auth Screen === */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 64px);
    padding: 24px;
}

.auth-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 440px;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo { height: 48px; margin-bottom: 16px; }

.auth-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--gray-500);
    font-size: 14px;
}

.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 24px;
}

.auth-tab {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-500);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
    font-family: inherit;
}

.auth-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.auth-tab:hover { color: var(--gray-700); }

/* === Forms === */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    color: var(--gray-800);
    background: white;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
}

.form-group input::placeholder { color: var(--gray-400); }

.form-group .hint {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

.error-msg {
    background: var(--danger-light);
    color: var(--danger);
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-top: 16px;
}

/* === Dashboard === */
.dashboard-header {
    margin-bottom: 32px;
}

.dashboard-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.dashboard-header p {
    color: var(--gray-500);
    font-size: 15px;
    max-width: 600px;
}

.form-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.form-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.form-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.form-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.form-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.form-card p {
    color: var(--gray-500);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.5;
}

.form-card .btn {
    width: 100%;
    justify-content: center;
}

.form-card-status {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.form-card-status.draft {
    background: var(--warning-light);
    color: var(--warning);
}

.form-card-status.completed {
    background: var(--success-light);
    color: var(--success);
}

/* === Wizard === */
.wizard-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.wizard-header h2 {
    font-size: 22px;
    font-weight: 600;
    flex: 1;
}

.wizard-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 200px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.4s ease;
}

#wizard-progress-text {
    font-size: 13px;
    color: var(--gray-500);
    white-space: nowrap;
}

.wizard-body {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
}

.wizard-sidebar {
    background: white;
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    align-self: start;
    position: sticky;
    top: 88px;
}

.sidebar-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 13px;
    color: var(--gray-500);
}

.sidebar-step:hover {
    background: var(--gray-50);
    color: var(--gray-700);
}

.sidebar-step.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 500;
}

.sidebar-step.done {
    color: var(--success);
}

.sidebar-step .step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    background: var(--gray-100);
    flex-shrink: 0;
}

.sidebar-step.active .step-num {
    background: var(--primary);
    color: white;
}

.sidebar-step.done .step-num {
    background: var(--success);
    color: white;
}

.wizard-content {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.wizard-step-header {
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-100);
}

.wizard-step-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.wizard-step-header p {
    color: var(--gray-500);
    font-size: 14px;
}

.wizard-actions {
    display: flex;
    gap: 12px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-100);
}

.wizard-actions .btn:last-child,
.wizard-actions #btn-generate {
    margin-left: auto;
}

/* Checkbox/Radio in wizard */
.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checkbox-group label,
.radio-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
}

.checkbox-group label:hover,
.radio-group label:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.checkbox-group input,
.radio-group input {
    width: auto !important;
    accent-color: var(--primary);
}

/* === Toast === */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius);
    color: white;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.info { background: var(--primary); }

@keyframes slideIn {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

/* === Loading === */
#loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* === Responsive === */
@media (max-width: 768px) {
    .wizard-body {
        grid-template-columns: 1fr;
    }

    .wizard-sidebar {
        position: static;
        display: flex;
        overflow-x: auto;
        gap: 4px;
        padding: 8px;
    }

    .sidebar-step {
        white-space: nowrap;
        padding: 8px 12px;
    }

    .sidebar-step .step-label { display: none; }

    .form-row,
    .form-row-3 {
        grid-template-columns: 1fr;
    }

    .wizard-actions {
        flex-wrap: wrap;
    }

    .auth-card { padding: 24px; }

    .wizard-content { padding: 20px; }

    .container { padding: 16px; }
}

@media (max-width: 480px) {
    .form-cards {
        grid-template-columns: 1fr;
    }

    .wizard-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .wizard-progress { width: 100%; }
}