:root {
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --accent-color: #dc3545;
    --accent-hover: #c82333;
    --danger-color: #dc3545;
    --success-color: #198754;
    --border-color: #dee2e6;
    --input-bg: #ffffff;
    --header-bg: #1e3a8a;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.app-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 20px 30px;
    background-color: var(--header-bg);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #ffffff;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: #ffffff;
}

.dot {
    width: 8px;
    height: 8px;
    background-color: currentColor;
    border-radius: 50%;
    box-shadow: 0 0 8px currentColor;
}

.main-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 30px;
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.card h2 {
    font-size: 1.25rem;
    margin-bottom: 24px;
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

input[type="text"],
input[type="password"],
input[type="datetime-local"] {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.file-drop-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background-color: #f8f9fa;
}

.file-drop-area:hover {
    border-color: var(--accent-color);
    background-color: rgba(220, 53, 69, 0.05);
}

.file-drop-area input {
    display: none;
}

.file-msg {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.file-name {
    display: block;
    margin-top: 8px;
    color: var(--accent-color);
    font-weight: 500;
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-primary);
}

.radio-option input {
    display: none;
}

.radio-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    position: relative;
}

.radio-option input:checked+.radio-custom {
    border-color: var(--accent-color);
}

.radio-option input:checked+.radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background-color: var(--accent-color);
    border-radius: 50%;
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

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

.btn-secondary {
    width: 100%;
    padding: 12px 16px;
    background-color: #ffffff;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.btn-secondary:hover {
    background-color: var(--accent-color);
    color: #ffffff;
}

.btn-secondary svg {
    flex-shrink: 0;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.2s, background-color 0.2s;
}

.btn-icon:hover {
    color: var(--text-primary);
    background-color: var(--border-color);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.jobs-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.job-item {
    background-color: #f8f9fa;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.job-info h4 {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.job-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.btn-cancel {
    color: var(--danger-color);
    background: rgba(220, 53, 69, 0.1);
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-cancel:hover {
    background: rgba(220, 53, 69, 0.2);
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px 0;
    font-size: 0.9rem;
}

.message-area {
    margin-top: 20px;
    padding: 14px 16px 14px 44px;
    border-radius: 10px;
    font-size: 0.95rem;
    line-height: 1.4;
    display: none;
    position: relative;
    border: 1px solid transparent;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.06);
    transition: transform 120ms ease, box-shadow 120ms ease;
}

.message-area::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid currentColor;
    display: inline-block;
    box-sizing: border-box;
}

.message-area.success {
    display: block;
    background-color: #e8f6ee;
    color: #0f7a46;
    border-color: #b4e2c9;
}

.message-area.success::before {
    background: radial-gradient(circle at 50% 50%, currentColor 60%, transparent 60%);
    box-shadow: inset 0 0 0 2px #e8f6ee;
}

.message-area.error {
    display: block;
    background-color: #fbe9ea;
    color: #b02a37;
    border-color: #f3c2c6;
}

.message-area.error::before {
    background: linear-gradient(currentColor, currentColor);
    transform: translateY(-50%) rotate(45deg);
    box-shadow: inset 0 0 0 2px #fbe9ea;
}

.message-area:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.09);
}

.confirm-modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    padding: 16px;
}

.confirm-modal.open {
    display: flex;
}

.confirm-dialog {
    background: #fff;
    border-radius: 12px;
    padding: 20px 22px;
    max-width: 380px;
    width: 100%;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
    border: 1px solid var(--border-color);
}

.confirm-dialog h3 {
    margin-bottom: 8px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.confirm-dialog p {
    margin-bottom: 18px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.confirm-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.loader {
    width: 18px;
    height: 18px;
    border: 2px solid #ffffff;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Athletes Table Styles */
.athletes-table-container {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: var(--card-bg);
}

.athletes-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.athletes-table thead {
    background-color: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
}

.athletes-table th {
    padding: 12px 8px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.athletes-table td {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

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

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

.athletes-table input,
.athletes-table select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.875rem;
    background-color: var(--input-bg);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.athletes-table input:focus,
.athletes-table select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.1);
}

.athletes-table input[type="number"] {
    width: 70px;
    text-align: center;
}

.athletes-table .athlete-select {
    min-width: 200px;
}

.athletes-table .division-select,
.athletes-table .class-select {
    min-width: 80px;
}

.athletes-table .target-input {
    width: 80px;
}

.btn-remove-row {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    padding: 6px;
    border-radius: 4px;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-remove-row:hover {
    background-color: rgba(220, 53, 69, 0.1);
}

.btn-add-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    background-color: #f8f9fa;
    border: none;
    border-top: 1px solid var(--border-color);
    color: var(--accent-color);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
    font-family: inherit;
    font-size: 0.875rem;
}

.btn-add-row:hover {
    background-color: #e9ecef;
}

.athletes-table .empty-row {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px;
}

/* Warning message for missing athletes */
.athletes-warning {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background-color: #fff3cd;
    border-bottom: 1px solid #ffc107;
    color: #856404;
    font-size: 0.875rem;
}

.athletes-warning svg {
    flex-shrink: 0;
    color: #856404;
}

.athletes-warning a {
    color: #664d03;
    font-weight: 600;
}

.athletes-warning a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .athletes-table-container {
        overflow-x: auto;
    }
    
    .athletes-table {
        min-width: 600px;
    }
}

/* ===== Mobile Optimization ===== */
@media (max-width: 768px) {
    .app-container {
        padding: 12px;
    }
    
    .app-header {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
        margin-bottom: 20px;
    }
    
    .app-header > div {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .logo h1 {
        font-size: 1.2rem;
    }
    
    .logo img {
        height: 40px;
    }
    
    .status-indicator {
        display: none;
    }
    
    .card {
        padding: 16px;
    }
    
    .card h2 {
        font-size: 1.1rem;
        margin-bottom: 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 12px;
    }
    
    .file-drop-area {
        padding: 20px 15px;
    }
    
    .file-msg {
        font-size: 0.8rem;
    }
    
    .job-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .job-item .btn-cancel {
        width: 100%;
        text-align: center;
    }
    
    .confirm-dialog {
        margin: 16px;
        padding: 16px;
    }
    
    .confirm-actions {
        flex-direction: column-reverse;
    }
    
    .confirm-actions .btn-secondary,
    .confirm-actions .btn-primary {
        width: 100%;
        margin-bottom: 0;
    }
}

/* ===== Small Mobile (< 480px) ===== */
@media (max-width: 480px) {
    .app-container {
        padding: 8px;
    }
    
    .app-header {
        padding: 12px;
        border-radius: 6px;
    }
    
    .app-header > div {
        gap: 0.5rem;
    }
    
    .app-header .btn-secondary {
        padding: 0.4rem 0.6rem;
        font-size: 0.75rem;
    }
    
    .logo h1 {
        font-size: 1rem;
    }
    
    .logo img {
        height: 32px;
    }
    
    .card {
        padding: 12px;
        border-radius: 6px;
    }
    
    .form-group {
        margin-bottom: 14px;
    }
    
    input[type="text"],
    input[type="password"],
    input[type="datetime-local"] {
        padding: 10px 12px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .btn-primary {
        padding: 12px;
        font-size: 0.9rem;
    }
    
    .btn-secondary {
        padding: 10px 12px;
        font-size: 0.8rem;
    }
    
    /* Athletes table mobile cards */
    .athletes-table-container {
        border: none;
        background: transparent;
    }
    
    .athletes-table {
        min-width: unset;
    }
    
    .athletes-table thead {
        display: none;
    }
    
    .athletes-table tbody {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    
    .athletes-table tbody tr {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        background: #f8f9fa;
        padding: 12px;
        border-radius: 8px;
        border: 1px solid var(--border-color);
        position: relative;
    }
    
    .athletes-table td {
        border: none;
        padding: 0;
    }
    
    .athletes-table td:nth-child(1) {
        /* Turno */
        order: 1;
        width: calc(30% - 4px);
    }
    
    .athletes-table td:nth-child(2) {
        /* Atleta */
        order: 3;
        width: 100%;
    }
    
    .athletes-table td:nth-child(3) {
        /* Divisione */
        order: 4;
        width: calc(33.33% - 6px);
    }
    
    .athletes-table td:nth-child(4) {
        /* Classe */
        order: 5;
        width: calc(33.33% - 6px);
    }
    
    .athletes-table td:nth-child(5) {
        /* Bersaglio */
        order: 6;
        width: calc(33.33% - 6px);
    }
    
    .athletes-table td:nth-child(6) {
        /* Remove button */
        order: 2;
        width: calc(70% - 4px);
        display: flex;
        justify-content: flex-end;
    }
    
    .athletes-table input[type="number"],
    .athletes-table .target-input {
        width: 100%;
    }
    
    .athletes-table .athlete-select,
    .athletes-table .division-select,
    .athletes-table .class-select {
        min-width: unset;
        width: 100%;
    }
    
    .athletes-table input,
    .athletes-table select {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .btn-add-row {
        margin-top: 8px;
        border-radius: 8px;
        border: 1px dashed var(--border-color);
    }
    
    .empty-state {
        padding: 24px 0;
    }
}