/* Telegram WebApp theme variables */
:root {
    --tg-theme-bg-color: #ffffff;
    --tg-theme-text-color: #000000;
    --tg-theme-hint-color: #999999;
    --tg-theme-link-color: #2481cc;
    --tg-theme-button-color: #2481cc;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #f0f0f0;

    /* Category colors */
    --color-good: #4caf50;
    --color-bad: #f44336;
    --color-idea: #ff9800;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    line-height: 1.5;
    padding: var(--spacing-md);
    padding-bottom: 100px;
}

/* Loading */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 60vh;
    color: var(--tg-theme-hint-color);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--tg-theme-secondary-bg-color);
    border-top-color: var(--tg-theme-button-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Connection status */
.connection-status {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 12px;
    text-align: center;
    z-index: 100;
}

.connection-status.online {
    background-color: var(--color-good);
    color: white;
}

.connection-status.offline {
    background-color: var(--color-bad);
    color: white;
}

/* Header */
.header {
    margin-bottom: var(--spacing-lg);
    padding-top: var(--spacing-lg);
}

.header h1 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.header .deadline {
    font-size: 14px;
    color: var(--tg-theme-hint-color);
}

/* Stats card */
.stats-card {
    background-color: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-sm);
}

.stat-item .emoji {
    font-size: 24px;
    margin-bottom: var(--spacing-xs);
}

.stat-item .count {
    font-size: 24px;
    font-weight: 700;
}

.stat-item .label {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
}

.stat-item.good .count { color: var(--color-good); }
.stat-item.bad .count { color: var(--color-bad); }
.stat-item.idea .count { color: var(--color-idea); }

/* Filter tabs */
.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
}

.filter-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--tg-theme-secondary-bg-color);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 14px;
    color: var(--tg-theme-text-color);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.filter-tab.active {
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}

/* Feedback list */
.feedback-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feedback-card {
    background-color: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border-left: 4px solid;
}

.feedback-card.good { border-left-color: var(--color-good); }
.feedback-card.bad { border-left-color: var(--color-bad); }
.feedback-card.idea { border-left-color: var(--color-idea); }

.feedback-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 12px;
    color: var(--tg-theme-hint-color);
}

.feedback-category {
    font-size: 16px;
}

.feedback-text {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* Vote bar */
.vote-bar {
    display: flex;
    gap: var(--spacing-sm);
}

.vote-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--tg-theme-bg-color);
    border: 1px solid var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.vote-button:hover {
    border-color: var(--tg-theme-button-color);
}

.vote-button.voted {
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border-color: var(--tg-theme-button-color);
}

.vote-button .count {
    font-weight: 600;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: var(--spacing-lg) * 2;
    color: var(--tg-theme-hint-color);
}

.empty-state .emoji {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

/* Error state */
.error-state {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-bad);
}

.retry-button {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* Issues Board */
.issues-column {
    margin-bottom: var(--spacing-lg);
}

.issue-card {
    background-color: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-left: 4px solid;
    transition: transform 0.2s, box-shadow 0.2s;
}

.issue-card:active {
    transform: scale(0.98);
}

.issue-card.open {
    border-left-color: var(--color-bad);
}

.issue-card.in_progress {
    border-left-color: var(--color-idea);
}

.issue-card.done {
    border-left-color: var(--color-good);
}

.status-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 12px;
    border: 1px solid var(--tg-theme-secondary-bg-color);
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.status-btn:hover {
    border-color: var(--tg-theme-button-color);
}

.status-btn.active {
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border-color: var(--tg-theme-button-color);
}

.add-issue-btn {
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.add-issue-btn:active {
    opacity: 0.8;
}

/* Create issue modal */
.create-issue-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.create-issue-form {
    background: var(--tg-theme-bg-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    width: 100%;
    max-width: 400px;
    animation: slideUp 0.3s ease;
}

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

/* Global form input styles for Telegram WebApp compatibility */
input, textarea, select {
    -webkit-text-fill-color: var(--tg-theme-text-color, #000) !important;
    opacity: 1 !important;
    color: var(--tg-theme-text-color, #000) !important;
    background-color: var(--tg-theme-bg-color, #fff) !important;
}

input::placeholder, textarea::placeholder {
    -webkit-text-fill-color: var(--tg-theme-hint-color, #999) !important;
    color: var(--tg-theme-hint-color, #999) !important;
    opacity: 1 !important;
}

.create-issue-form input,
.create-issue-form textarea,
.create-issue-form select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-sm);
    font-size: 16px;
    background: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    box-sizing: border-box;
    -webkit-text-fill-color: var(--tg-theme-text-color, #000);
    opacity: 1;
}

.create-issue-form input:focus,
.create-issue-form textarea:focus,
.create-issue-form select:focus {
    outline: none;
    border-color: var(--tg-theme-button-color);
}

.create-issue-form textarea {
    resize: vertical;
    min-height: 80px;
}