/* ========================================
   FPT Reisebericht - Corporate Design (Strict)
   
   Copyright (c) 2026 Dr. Tim Spiering, 88299 Leutkirch
   Alle Rechte vorbehalten. Verbreitung nicht gestattet.
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Custom Properties (Design Tokens) */
:root {
    /* FPT Colors (Strict) */
    --color-primary: #009EE3;
    /* FPT Cyan */
    --color-primary-dark: #007BB0;
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-orange: #EE6600;
    --color-ice-blue: #A6FFFF;

    --color-bg: #F8FAFC;
    --color-bg-card: #FFFFFF;
    --color-bg-input: #F1F5F9;
    --color-bg-hover: #E2E8F0;

    --color-text: #1E293B;
    --color-text-muted: #64748B;
    --color-text-subtle: #94A3B8;

    --color-border: #CBD5E1;
    --color-success: #10B981;
    --color-error: #EF4444;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Border Radius & Shapes */
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 9999px;

    --skew-angle: -12.5deg;
    /* FPT Slant */

    /* Maximum Widths */
    --max-width-content: 1200px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Typography - Unified to Inter */
    --font-family: 'Inter', sans-serif;
    --font-family-display: 'Inter', sans-serif;
    --font-family-accent: 'Inter', sans-serif;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
}

/* App Container */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 100%;
    margin: 0;
    padding: 0;
}

/* Header - FPT Style */
.app-header {
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 4px solid var(--color-primary);
    position: relative;
    overflow: hidden;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

/* FPT Logo */
.fpt-logo {
    display: flex;
    align-items: center;
}

.logo-image {
    height: 48px;
    width: auto;
}

.header-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--font-size-xl);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: none;
}

@media (min-width: 640px) {
    .header-title {
        display: block;
    }
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--space-lg);
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

/* Form Styles */
.report-form {
    background: var(--color-bg-card);
    border-radius: var(--radius-sm);
    padding: var(--space-lg);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border-top: 4px solid var(--color-primary);
}

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

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
}

.label-icon {
    color: var(--color-primary);
    font-size: var(--font-size-base);
}

.form-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0, 159, 227, 0.2);
    background: var(--color-white);
}

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

/* Button with Slant */
.submit-btn {
    width: 100%;
    position: relative;
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-white);
    background: var(--color-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transform: skewX(var(--skew-angle));
    margin-top: var(--space-lg);
}

/* Correct content inside button */
/* Unskew content for all FPT buttons */
.submit-btn>*,
.new-report-btn>*,
.btn-fpt>*,
.logout-btn>* {
    transform: skewX(calc(var(--skew-angle) * -1));
}

.submit-btn:hover {
    background: var(--color-primary-dark);
    transform: skewX(var(--skew-angle)) translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 159, 227, 0.2);
}

.submit-btn:active {
    transform: skewX(var(--skew-angle)) translateY(0);
}

.new-report-btn {
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-lg);
    font-weight: 600;
    color: var(--color-primary);
    background: transparent;
    border: 2px solid var(--color-primary);
    transform: skewX(var(--skew-angle));
    cursor: pointer;
    transition: all var(--transition-fast);
}


.new-report-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* File Upload */
.file-upload-wrapper {
    position: relative;
}

.file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.file-upload-area {
    padding: var(--space-lg);
    text-align: center;
    background: var(--color-bg-input);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.file-upload-area:hover,
.file-upload-area.dragover {
    border-color: var(--color-primary);
    background: rgba(0, 159, 227, 0.05);
    /* Cyan with alpha */
}

.upload-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
    color: var(--color-text-muted);
}

.upload-text {
    color: var(--color-text);
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.upload-hint {
    color: var(--color-text-subtle);
    font-size: var(--font-size-xs);
}

/* Image Preview */
.preview-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    animation: fadeIn 0.3s ease-out;
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.preview-remove:hover {
    background: var(--color-error);
    transform: scale(1.1);
}

/* Sections & Grid */
.section-title {
    font-size: var(--font-size-xl);
    color: var(--color-black);
    font-weight: 700;
    margin-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
    padding-right: var(--space-xl);
    padding-bottom: var(--space-xs);
    transform: skewX(var(--skew-angle));
    margin-left: 10px;
    /* Offset for skew */
}

.section-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    font-style: italic;
}

.divider {
    border: 0;
    height: 1px;
    background: var(--color-border);
    margin: var(--space-xl) 0;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .grid-2 {
        grid-template-columns: 1fr 1fr;
    }
}

/* Data Table */
.table-responsive {
    overflow-x: auto;
    margin-bottom: var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    min-width: 600px;
    /* Force scroll on small screens */
}

.data-table th {
    text-align: left;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text-muted);
    background: var(--color-bg-input);
    border-bottom: 2px solid var(--color-border);
}

.data-table td {
    padding: var(--space-sm);
    border-bottom: 1px solid var(--color-bg-input);
    vertical-align: middle;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table .form-input {
    min-width: 0;
}

/* Remove button in table cell */
.data-table .remove-row-btn {
    position: static;
    background: transparent;
    color: var(--color-text-muted);
    box-shadow: none;
    width: 32px;
    height: 32px;
}

.data-table .remove-row-btn:hover {
    color: var(--color-error);
    background: rgba(239, 68, 68, 0.1);
}

.add-row-btn {
    width: 100%;
    padding: var(--space-sm);
    background: transparent;
    border: 1px dashed var(--color-text-muted);
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.add-row-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(0, 159, 227, 0.05);
}

.remove-row-btn {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: 1.2rem;
    position: absolute;
    top: -10px;
    right: -10px;
}

@media (min-width: 768px) {
    .remove-row-btn {
        position: static;
        width: 42px;
        height: 42px;
        border-radius: var(--radius-md);
        background: transparent;
        box-shadow: none;
    }

    .remove-row-btn:hover {
        background: rgba(239, 68, 68, 0.2);
    }
}

/* Radio Groups (Hotel) */
.radio-group {
    display: flex;
    gap: var(--space-lg);
    background: var(--color-bg-input);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-weight: 500;
}

.radio-label input[type="radio"] {
    width: 1.2rem;
    height: 1.2rem;
    accent-color: var(--color-primary);
}

/* Checkbox Inline Group (Table) */
.checkbox-inline-group {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
}

.checkbox-inline-group label {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    gap: 2px;
}

.checkbox-inline-group input[type="checkbox"] {
    width: 1.1rem;
    height: 1.1rem;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* Success Message */
.success-message {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--color-success);
    animation: scaleIn 0.4s ease-out;
}

.success-message.hidden {
    display: none;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: var(--space-md);
}

.success-message h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
    color: var(--color-success);
}

.success-message p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

/* Footer */
.app-footer {
    background: var(--color-black);
    color: var(--color-text-subtle);
    padding: var(--space-md);
    text-align: center;
    font-size: var(--font-size-xs);
    margin-top: auto;
}


/* Typography Utilities */
.font-display {
    font-family: var(--font-family-display);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.font-accent {
    font-family: var(--font-family-accent);
    font-style: italic;
}

/* Skew Utilities */
.skew-box {
    transform: skewX(var(--skew-angle));
    border-radius: var(--radius-md);
}

.skew-box>* {
    transform: skewX(calc(var(--skew-angle) * -1));
}

.skew-right {
    transform: skewX(calc(var(--skew-angle) * -1));
}

/* Enhanced Card Style */
.card-fpt {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    /* 4px radius often looks better un-skewed outer, skewed inner */
    padding: var(--space-lg);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--color-primary);
    transition: transform var(--transition-normal);
}

.card-fpt:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

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

/* Nested Day Blocks */
.day-block {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.day-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px dashed var(--color-border);
}

.day-date-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
}

/* Standard FPT Button (Skewed) */
.btn-fpt {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    transform: skewX(var(--skew-angle));
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    border: none;
}

/* Unskew content */
.btn-fpt>*,
.logout-btn>* {
    transform: skewX(calc(var(--skew-angle) * -1));
}

.logout-btn {
    margin-left: auto;
    background: var(--color-white);
    color: var(--color-primary);
    /* FPT Blue text */
    border: 2px solid var(--color-white);
    /* White border visually same size */
    padding: 8px 24px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transform: skewX(var(--skew-angle));
    /* KEY: Make it geometric/skewed */
    border-radius: var(--radius-sm);
    box-shadow: none;
}

.logout-btn:hover {
    background: var(--color-bg);
    color: var(--color-primary-dark);
    transform: skewX(var(--skew-angle)) translateY(-1px);
}

.day-meals-group {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--color-bg-input);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.day-meals-group .label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.remove-day-btn {
    font-size: 0.8rem;
    color: var(--color-error);
    background: transparent;
    border: 1px solid var(--color-error);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.remove-day-btn:hover {
    background: var(--color-error);
    color: white;
}

/* Response tweaks for day header */
@media (max-width: 600px) {
    .day-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .remove-day-btn {
        width: 100%;
        text-align: center;
    }
}

/* Custom File Upload Button */
.custom-file-upload {
    margin-top: var(--space-xs);
}

.custom-file-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.custom-file-label:hover {
    border-color: var(--color-primary);
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 2px 4px rgba(0, 159, 227, 0.1);
}


.custom-file-label .btn-icon {
    font-size: 1.1rem;
}

/* ========================================
   New UI Elements
   ======================================== */

/* Composite Input Group */
.input-group {
    display: flex;
    gap: 0;
}

.input-group .form-input {
    border-radius: 0;
}

.input-group .form-input:first-child,
.input-group .input-prefix {
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}

.input-group .form-input:last-child {
    border-top-right-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
    border-left: none;
    flex: 1;
}

.input-prefix {
    display: flex;
    align-items: center;
    padding: 0 var(--space-md);
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-right: none;
    color: var(--color-text-muted);
    font-weight: 600;
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}

/* Wider Travel Type Dropdown */
select[name="travel_type"] {
    min-width: 140px;
}

/* Lightbox Modal */
.lightbox {
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: var(--color-primary);
    text-decoration: none;
    cursor: pointer;
}

/* Locked Inputs (Auto-filled) */
.locked-input {
    background-color: #f1f5f9;
    color: #64748b;
    cursor: not-allowed;
    pointer-events: none;
    /* Prevents interaction including Flatpickr */
    border-color: var(--color-border);
}

/* Pause Task Styling */
/* Required Fields */
.required-asterisk {
    color: #ef4444;
    /* var(--color-danger) but reusing safe color */
    margin-left: 2px;
    font-weight: bold;
}

.required-legend {
    color: #64748b;
    font-size: 0.85rem;
    display: block;
    margin-bottom: 10px;
    margin-top: 5px;
}

@media (max-width: 600px) {
    .required-legend {
        float: none;
        display: block;
        margin-top: 0;
        margin-bottom: 10px;
    }
}

/* Supervisor / Action Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
    font-size: var(--font-size-sm);
    gap: var(--space-xs);
}

.btn-approve {
    background: var(--color-success);
    color: white;
}

.btn-approve:hover {
    background: #059669;
    /* Darker green */
}

.btn-correction {
    background: var(--color-orange);
    color: white;
}

.btn-correction:hover {
    background: #d97706;
    /* Darker orange */
}

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

.btn-reject:hover {
    background: #dc2626;
    /* Darker red */
}

.btn-view {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.btn-view:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-text-muted);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    max-width: 500px;
    width: 90%;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--color-primary);
}

.modal-content h3 {
    margin-top: 0;
    margin-bottom: var(--space-md);
    font-size: var(--font-size-lg);
}

.modal-content textarea {
    width: 100%;
    min-height: 100px;
    margin: var(--space-md) 0;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    resize: vertical;
    font-family: inherit;
    font-size: var(--font-size-base);
}

.modal-content textarea:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 159, 227, 0.2);
}

.modal-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    margin-top: var(--space-md);
}