/* ORBIT KI-Fragebogen - Styles */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;600;700&display=swap');

:root {
    /* ORBIT Farbpalette */
    --orbit-cyan:    #4FBFE3;
    --orbit-pink:    #F0526B;
    --orbit-green:   #61D159;
    --orbit-lila:    #C952D9;
    --orbit-orange:  #F0694A;
    --orbit-gelb:    #F5B81F;
    
    /* Slate (Grautöne) */
    --sl50:   #f8fafc;
    --sl100:  #f1f5f9;
    --sl200:  #e2e8f0;
    --sl300:  #cbd5e1;
    --sl400:  #94a3b8;
    --sl500:  #64748b;
    --sl600:  #475569;
    --sl700:  #334155;
    --sl800:  #1e293b;
    
    /* Legacy variables */
    --orbit-blue: var(--sl700);
    --orbit-blue-dark: #0052A3;
    --orbit-blue-light: #E6F0FF;
    --gray-100: var(--sl100);
    --gray-200: var(--sl200);
    --gray-300: var(--sl300);
    --gray-700: var(--sl700);
    --gray-800: var(--sl800);
    --gray-900: #1a1a1a;
    --white: #FFFFFF;
    --success: var(--orbit-green);
    --warning: var(--orbit-orange);
    --danger: var(--orbit-pink);
    --border-radius: 10px;
    --box-shadow: 0 1px 3px rgba(0, 0, 0, 0.07);
    --box-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

html, body {
    width: 100%;
    height: 100%;
}

body {
    font-family: 'IBM Plex Sans', Tahoma, Arial, sans-serif;
    color: var(--sl700);
    background-color: var(--sl50);
    line-height: 1.6;
}

.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ==================== HEADER ==================== */
.header {
    background: linear-gradient(135deg, var(--orbit-cyan) 0%, var(--orbit-cyan) 100%);
    color: var(--white);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logo-img {
    width: 90px;
    height: auto;
    filter: drop-shadow(0 2px 10px rgba(79, 191, 227, 0.2));
}

.main-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin: 0;
    color: var(--white);
}

.status-bar {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.last-saved {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 500;
}

.last-saved.saved::before {
    content: "✓ ";
    color: var(--success);
    margin-right: 0.3rem;
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    flex: 1;
    padding: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

/* Overall Progress */
.overall-progress {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--box-shadow);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-weight: 500;
}

.progress-label {
    color: var(--gray-700);
}

.progress-percentage {
    color: var(--orbit-blue);
    font-weight: 700;
    font-size: 1.1rem;
}

.progress-bar-container {
    width: 100%;
    height: 10px;
    background-color: var(--gray-200);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--orbit-blue), var(--orbit-blue-dark));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 10px;
}

/* Metadata Section */
.metadata-section {
    margin-bottom: 2rem;
}

.metadata-section h2 {
    color: var(--orbit-blue);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.metadata-section .description {
    color: var(--gray-700);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* ==================== SECTION NAVIGATION ==================== */
.section-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 2rem 0 0 0;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
    gap: 1rem;
}

.section-indicator {
    font-weight: 700;
    color: var(--sl700);
    font-size: 1.1rem;
    flex: 1;
    text-align: center;
}

.btn-nav {
    padding: 0.75rem 1.5rem;
    background-color: var(--orbit-cyan);
    color: var(--sl800);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 700;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--box-shadow);
}

.btn-nav:hover:not(:disabled) {
    background-color: #3BA5C9;
    box-shadow: var(--box-shadow-hover);
    transform: translateY(-2px);
}

.btn-nav:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ==================== SECTION VIEWS ==================== */
.sections-container {
    position: relative;
    min-height: 500px;  /* Adjust based on content */
}

.section-view {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    opacity: 0;
    pointer-events: none;
}

.section-view.active {
    position: relative;
    opacity: 1 !important;
    pointer-events: auto;
    transition: opacity 0.5s ease-in-out;
    z-index: 1;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.section-header {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--orbit-cyan);
}

.section-header h2 {
    color: var(--sl700);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.section-header .description {
    color: var(--sl500);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Card Styling */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--orbit-cyan);
}

.card h3 {
    color: var(--sl700);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.card-description {
    color: var(--gray-700);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.card-progress {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--gray-100);
    border-radius: var(--border-radius);
}

.card-progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.card-progress-label {
    color: var(--gray-700);
}

.card-progress-value {
    color: var(--orbit-cyan);
    font-weight: 700;
}

.card-progress-bar {
    height: 6px;
    background-color: var(--sl200);
    border-radius: 6px;
    overflow: hidden;
}

.card-progress-fill {
    height: 100%;
    background: var(--orbit-cyan);
    width: 0%;
    transition: width 0.3s ease;
}

/* ==================== FORM ELEMENTS ==================== */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--sl700);
}

.form-hint {
    display: block;
    font-size: 0.85rem;
    color: var(--sl500);
    font-weight: 400;
    margin-bottom: 0.3rem;
    font-style: italic;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--sl200);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    background-color: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--orbit-cyan);
    box-shadow: 0 0 0 3px rgba(79, 191, 227, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Radio Buttons */
.radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.radio-item,
.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

input[type="radio"],
input[type="checkbox"] {
    margin-top: 0.3rem;
    cursor: pointer;
    width: 20px;
    height: 20px;
    accent-color: var(--orbit-cyan);
}

.radio-item label,
.checkbox-item label {
    margin: 0;
    font-weight: 500;
    cursor: pointer;
    flex: 1;
    color: var(--sl700);
}

.radio-item input[type="radio"]:hover,
.checkbox-item input[type="checkbox"]:hover {
    opacity: 0.8;
}

/* Conditional Text Fields */
.conditional-field {
    margin-left: 2rem;
    margin-top: 0.75rem;
    padding: 1rem;
    background: var(--sl50);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--orbit-cyan);
}

.conditional-field label {
    font-size: 0.9rem;
    color: var(--gray-700);
}

/* Question Container */
.question-container {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--gray-100);
    border-radius: var(--border-radius);
    transition: background-color 0.2s;
}

.question-container:hover {
    background: var(--white);
}

.question-number {
    color: var(--orbit-cyan);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.question-text {
    color: var(--sl700);
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

/* ==================== BUTTONS ==================== */
.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--orbit-cyan);
    color: var(--sl800);
    box-shadow: var(--box-shadow);
    font-weight: 700;
}

.btn-primary:hover {
    background: #3BA5C9;
    box-shadow: var(--box-shadow-hover);
    transform: translateY(-2px);
}

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

.btn-secondary {
    background: var(--sl200);
    color: var(--sl700);
    box-shadow: var(--box-shadow);
    font-weight: 700;
}

.btn-secondary:hover {
    background: var(--sl300);
    box-shadow: var(--box-shadow-hover);
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ==================== MODAL ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    max-width: 500px;
    width: 90%;
}

.modal-content h3 {
    color: var(--sl700);
    margin-bottom: 1rem;
    font-weight: 700;
}

.modal-content p {
    color: var(--sl500);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

/* ==================== TOAST ==================== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--orbit-green);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-hover);
    animation: slideUp 0.3s ease;
    z-index: 2000;
    max-width: 400px;
    font-weight: 600;
}

.toast.hidden {
    display: none;
}

.toast.error {
    background: var(--orbit-pink);
}

.toast.warning {
    background: var(--orbit-orange);
    color: var(--white);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--sl800);
    color: var(--white);
    text-align: center;
    padding: 1.5rem;
    margin-top: auto;
    font-size: 0.85rem;
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 768px) {
    .header {
        padding: 1.5rem;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .status-bar {
        align-items: flex-start;
    }

    .logo h1 {
        font-size: 2rem;
    }

    .main-title {
        font-size: 1.8rem;
    }

    .main-content {
        padding: 1rem;
    }

    .card {
        padding: 1.5rem;
    }

    .action-buttons {
        flex-direction: column-reverse;
    }

    .btn {
        width: 100%;
    }

    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }

    .toast {
        right: 1rem;
        left: 1rem;
        max-width: none;
    }

    .question-container {
        padding: 0.75rem;
    }

    .conditional-field {
        margin-left: 1rem;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .main-title {
        font-size: 1.3rem;
    }

    .card {
        border-left-width: 3px;
    }

    .form-control {
        font-size: 16px; /* Prevent zoom on iOS */
    }

    textarea.form-control {
        min-height: 80px;
    }

    .modal-buttons {
        flex-direction: column-reverse;
    }

    .modal-buttons .btn {
        width: 100%;
    }
}

/* ==================== PRINT STYLES ==================== */
@media print {
    body {
        background: var(--white);
    }

    .header,
    .footer,
    .action-buttons,
    .overall-progress {
        display: none;
    }

    .card {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }

    .btn {
        display: none;
    }
}