:root {
    --primary: #fc4c02;
    /* Strava Orange */
    --primary-hover: #e34402;
    --success: #198754;
    --success-hover: #157347;
    --background: #f8f9fa;
    --surface: #ffffff;
    --text-main: #212529;
    --text-muted: #6c757d;
    --border: #dee2e6;
    --border-radius: 8px;
}

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

#user-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--text-main);
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 30px 0;
    margin-bottom: 40px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header h1 {
    margin: 0 0 10px 0;
    color: var(--primary);
}

.header p {
    margin: 0;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.controls {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.btn {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

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

.btn-success:hover:not(:disabled) {
    background-color: var(--success-hover);
}

.hidden {
    display: none !important;
}

/* Loading Spinner */
#loading-indicator {
    text-align: center;
    padding: 50px 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 4px solid rgba(252, 76, 2, 0.2);
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
    margin: 0 auto 15px auto;
}

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

/* Inline Spinner for Progress Bar */
.spinner-inline {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(252, 76, 2, 0.2);
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
}

/* Table Styles */
.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.table-header h2 {
    margin: 0;
    font-size: 1.4rem;
}

.runs-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-bottom: 60px;
}

.runs-table th,
.runs-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.runs-table th {
    background-color: #f1f3f5;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.runs-table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Content formatting */
.run-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.run-title {
    font-weight: 600;
    margin: 0;
}

.desc-box {
    background-color: #f1f3f5;
    padding: 10px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    margin: 0;
    max-height: 150px;
    overflow-y: auto;
}

.preview-box {
    background-color: #e6fcf5;
    border: 1px solid #c3fae8;
}

/* Success Banner */
.success-banner {
    background-color: #d1e7dd;
    color: #0f5132;
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: 40px;
}

.success-banner h3 {
    margin: 0 0 10px 0;
}

.success-banner p {
    margin: 0;
}

/* Authentication UI Styles */
.login-container {
    text-align: center;
    padding: 60px 20px;
    background-color: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    max-width: 600px;
    margin: 40px auto;
}

.login-container h2 {
    margin-top: 0;
    color: var(--text-main);
}

.login-container p {
    color: var(--text-muted);
    margin-bottom: 30px;
    line-height: 1.6;
}

.strava-connect-btn {
    display: inline-block;
    text-decoration: none;
    font-size: 1.1rem;
    padding: 14px 30px;
}

.btn-outline {
    background-color: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background-color: #f1f3f5;
    color: var(--text-main);
}

/* Star Rating Hover Effects */
.star-rating input:checked ~ label,
.star-rating label:hover,
.star-rating label:hover ~ label {
    color: #ffc107 !important;
}

#feedback-message.success {
    background-color: #d1e7dd;
    color: #0f5132;
    display: block !important;
}

#feedback-message.error {
    background-color: #f8d7da;
    color: #842029;
    display: block !important;
}

/* Progress bar */
.progress-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
    align-items: center;
}

.progress-bar-track {
    width: 100%;
    background-color: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

#progress-bar-fill {
    width: 0%;
    height: 10px;
    background-color: #007bff;
    transition: width 0.3s ease;
}

/* Modal header row */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

/* Star rating */
.rating-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.star-rating {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
}

/* Editable preview textarea */
.editable-preview {
    width: 100%;
    height: 150px;
    resize: vertical;
    box-sizing: border-box;
}

/* Preview loading indicator */
.preview-loading {
    margin-bottom: 5px;
    color: #666;
}

/* Title new value */
.run-title-new {
    color: green;
}

/* Modals default to left-aligned text */
#parkrun-config-modal,
#feedback-modal {
    text-align: left;
    margin-top: 20px;
}

/* =====================
   Responsive: Tablet + Mobile (≤ 768px)
   ===================== */
@media (max-width: 768px) {
    .header {
        padding: 20px 0;
        margin-bottom: 24px;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .controls {
        flex-direction: column;
    }

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

    .table-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    /* Table → card layout */
    .runs-table thead {
        display: none;
    }

    .runs-table tbody tr {
        display: grid;
        grid-template-columns: 48px 1fr;
        margin-bottom: 20px;
        border: 1px solid var(--border);
        border-radius: var(--border-radius);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        overflow: hidden;
    }

    .runs-table td {
        border-bottom: 1px solid var(--border);
        width: auto;
    }

    /* Checkbox cell */
    .runs-table td:nth-child(1) {
        grid-column: 1;
        grid-row: 1;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Date & title cell */
    .runs-table td:nth-child(2) {
        grid-column: 2;
        grid-row: 1;
    }

    /* Current description cell */
    .runs-table td:nth-child(3) {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .runs-table td:nth-child(3)::before {
        content: "Current Description";
        display: block;
        font-weight: 600;
        font-size: 0.8rem;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-bottom: 6px;
    }

    /* Stats to append cell */
    .runs-table td:nth-child(4) {
        grid-column: 1 / -1;
        grid-row: 3;
    }

    .runs-table td:nth-child(4)::before {
        content: "Parkrun Stats to Append";
        display: block;
        font-weight: 600;
        font-size: 0.8rem;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-bottom: 6px;
    }

    .login-container {
        padding: 24px 16px;
        margin: 16px auto;
    }

    .run-checkbox {
        width: 20px;
        height: 20px;
    }
}

/* =====================
   Responsive: Small phones (≤ 480px)
   ===================== */
@media (max-width: 480px) {
    .header h1 {
        font-size: 1.3rem;
    }

    .header p {
        font-size: 0.95rem;
    }

    #user-controls {
        gap: 8px;
    }

    #user-id-display {
        font-size: 0.85rem;
    }

    #user-controls .btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
}

/* =====================
   Responsive: Large desktop (≥ 1400px)
   ===================== */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }

    .editable-preview {
        height: 200px;
    }
}