/* ============================================================================
   hanniFit - Main CSS File
   Alle Styles für die Anwendung
   ============================================================================ */

/* ============================================================================
   Base Styles - Gemeinsame Styles für alle Seiten
   ============================================================================ */

/* CSS Variables */
:root {
    --primary-color: #0d6efd;
}

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

/* Base Typography */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Sticky Footer */
.main-content {
    flex: 1;
}

h1 {
    font-size: 28px;
}

h2 {
    font-size: 32px;
}

h3 {
    font-size: 20px;
}

p {
    font-size: 16px;
    line-height: 1.6;
}

/* Links */
a {
    text-decoration: none;
    color: inherit;
}

/* ============================================================================
   Utility Classes
   ============================================================================ */

/* Card Centering */
.card-center-wide {
    max-width: 800px;
    margin: 0 auto;
}

.card-center-narrow {
    max-width: 600px;
    margin: 0 auto;
}

.card-center-login {
    max-width: 400px;
    margin: 0 auto;
}

/* Icons */
.icon-large {
    font-size: 3rem;
}

/* Images */
.exercise-image {
    height: 200px;
    object-fit: cover;
}

.exercise-image-placeholder {
    height: 200px;
}

.exercise-detail-image {
    max-height: 400px;
}

/* Table */
.table-col-narrow {
    width: 200px;
}

/* ============================================================================
   Calendar Styles
   ============================================================================ */

/* Calendar Grid */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--cui-border-color);
    border: 1px solid var(--cui-border-color);
    border-radius: 0.375rem;
    overflow: hidden;
}

.week-grid {
    grid-auto-rows: minmax(120px, auto);
}

.month-grid {
    grid-auto-rows: minmax(80px, auto);
}

.day-header {
    background: var(--cui-secondary-bg);
    padding: 12px;
    text-align: center;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--cui-secondary-color);
}

.day-cell {
    background: var(--cui-body-bg);
    min-height: 100px;
    padding: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
    position: relative;
}

.day-cell:hover {
    background: var(--cui-tertiary-bg);
}

.day-cell.today {
    background: rgba(13, 110, 253, 0.15);
    border: 2px solid var(--cui-primary);
}

.day-cell.other-month {
    opacity: 0.4;
}

.day-number {
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 0.875rem;
}

.day-content {
    font-size: 0.75rem;
}

/* Training Badge */
.training-badge {
    background: var(--cui-primary);
    color: white;
    padding: 4px 8px;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    display: inline-block;
    margin-top: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    font-weight: 600;
}

.training-badge.inactive {
    background: var(--cui-secondary);
}

/* ============================================================================
   Exercise Management - Drag & Drop
   ============================================================================ */

.split-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.exercise-item {
    background: var(--cui-body-bg);
    border: 1px solid var(--cui-border-color);
    border-radius: 0.375rem;
    padding: 15px;
    margin-bottom: 10px;
    cursor: move;
    display: flex;
    gap: 10px;
}

.exercise-item.dragging {
    opacity: 0.5;
}

.exercise-item.drag-over {
    border-top: 3px solid var(--cui-primary);
}

.drag-handle {
    color: var(--cui-secondary-color);
    cursor: grab;
}

.exercise-content {
    flex: 1;
}

.exercise-name {
    font-weight: 600;
    margin-bottom: 10px;
}

.exercise-details-edit {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.edit-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.edit-field-full {
    flex: 1;
}

.edit-field label {
    font-size: 0.75rem;
    color: var(--cui-secondary-color);
    font-weight: 500;
}

.edit-field input,
.edit-field textarea {
    padding: 4px 8px;
    border: 1px solid var(--cui-border-color);
    border-radius: 0.25rem;
    font-size: 0.875rem;
    background: var(--cui-body-bg);
    color: var(--cui-body-color);
}

.edit-field input {
    width: 80px;
}

.edit-field textarea {
    width: 100%;
    min-width: 200px;
    resize: vertical;
}

.exercise-item.available {
    background: var(--cui-body-bg);
    border: 1px solid var(--cui-border-color);
    border-radius: 0.375rem;
    padding: 12px;
    margin-bottom: 10px;
    cursor: move;
}

.exercise-item.available.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.exercise-item.available.dragging {
    opacity: 0.5;
}

.search-box {
    position: sticky;
    top: 0;
    background: var(--cui-body-bg);
    z-index: 10;
    padding-bottom: 15px;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 992px) {
    .split-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .calendar-grid {
        font-size: 0.875rem;
    }

    .day-cell {
        min-height: 60px;
        padding: 4px;
    }

    .day-header {
        padding: 8px 4px;
        font-size: 0.75rem;
    }
}