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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.tab-navigation {
    display: flex;
    background: #34495e;
    border-bottom: 3px solid #667eea;
}

.tab-btn {
    flex: 1;
    padding: 15px 20px;
    border: none;
    background: transparent;
    color: #ecf0f1;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
    margin-bottom: -3px;
}

.tab-btn:hover {
    background: rgba(102, 126, 234, 0.2);
}

.tab-btn.active {
    background: rgba(102, 126, 234, 0.3);
    border-bottom-color: #667eea;
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

main {
    padding: 30px;
}

section {
    margin-bottom: 30px;
}

h2 {
    color: #2c3e50;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #667eea;
    font-size: 1.5em;
}

.dice-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dice-row {
    display: grid;
    grid-template-columns: 80px 1fr 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.dice-row:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.die-label {
    font-size: 1.3em;
    font-weight: bold;
    color: #667eea;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-group label {
    font-weight: 500;
    color: #555;
    min-width: 65px;
}

.input-group input {
    width: 80px;
    padding: 8px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 1em;
    text-align: center;
    transition: border-color 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: #667eea;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-roll {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-width: 100px;
}

.btn-roll:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-roll:active {
    transform: scale(0.95);
}

.advantage-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
}

.advantage-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-advantage {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    color: white;
    padding: 15px 30px;
}

.btn-advantage:hover {
    box-shadow: 0 6px 20px rgba(56, 239, 125, 0.4);
    transform: scale(1.05);
}

.btn-disadvantage {
    background: linear-gradient(135deg, #ee0979 0%, #ff6a00 100%);
    color: white;
    padding: 15px 30px;
}

.btn-disadvantage:hover {
    box-shadow: 0 6px 20px rgba(238, 9, 121, 0.4);
    transform: scale(1.05);
}

.results-section {
    background: #2c3e50;
    color: white;
    padding: 20px;
    border-radius: 8px;
}

.results-section h2 {
    color: white;
    border-bottom-color: #667eea;
}

.results-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#resultsArea {
    width: 100%;
    min-height: 250px;
    padding: 15px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95em;
    background: #34495e;
    color: #ecf0f1;
    border: 2px solid #667eea;
    border-radius: 6px;
    resize: vertical;
    line-height: 1.6;
}

#resultsArea::-webkit-scrollbar {
    width: 10px;
}

#resultsArea::-webkit-scrollbar-track {
    background: #2c3e50;
    border-radius: 6px;
}

#resultsArea::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 6px;
}

#resultsArea::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}

.btn-clear {
    background: #e74c3c;
    color: white;
    align-self: flex-end;
}

.btn-clear:hover {
    background: #c0392b;
    transform: scale(1.05);
}

/* SR4+ Dice Roller Styles */
.sr4-dice-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
    padding: 10px;
}

.sr4-dice-btn {
    padding: 20px;
    font-size: 1.5em;
    font-weight: bold;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.sr4-dice-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.sr4-dice-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.sr4-stats-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.sr4-counters {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.counter {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 30px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.counter-label {
    font-size: 1.3em;
    font-weight: 600;
    color: #2c3e50;
}

.counter-value {
    font-size: 2em;
    font-weight: bold;
    min-width: 60px;
    text-align: center;
    padding: 5px 15px;
    border-radius: 6px;
}

.misses-counter .counter-value {
    background: linear-gradient(135deg, #ee0979 0%, #ff6a00 100%);
    color: white;
}

.hits-counter .counter-value {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    color: white;
}

#sr4ResultsArea {
    width: 100%;
    min-height: 250px;
    padding: 15px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95em;
    background: #34495e;
    color: #ecf0f1;
    border: 2px solid #667eea;
    border-radius: 6px;
    resize: vertical;
    line-height: 1.6;
}

#sr4ResultsArea::-webkit-scrollbar {
    width: 10px;
}

#sr4ResultsArea::-webkit-scrollbar-track {
    background: #2c3e50;
    border-radius: 6px;
}

#sr4ResultsArea::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 6px;
}

#sr4ResultsArea::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}

footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 0.9em;
}

@media (max-width: 768px) {
    .dice-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .die-label {
        text-align: center;
    }

    .input-group {
        justify-content: center;
    }

    .btn-roll {
        width: 100%;
    }

    .advantage-buttons {
        flex-direction: column;
    }

    .btn-advantage,
    .btn-disadvantage {
        width: 100%;
    }

    header h1 {
        font-size: 2em;
    }

    .sr4-dice-grid {
        grid-template-columns: repeat(5, 1fr);
    }

    .tab-btn {
        font-size: 0.9em;
        padding: 12px 15px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    main {
        padding: 20px;
    }

    header {
        padding: 20px;
    }

    header h1 {
        font-size: 1.8em;
    }

    .sr4-dice-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .tab-btn {
        font-size: 0.8em;
        padding: 10px 8px;
    }

    .sr4-counters {
        gap: 20px;
    }

    .counter {
        padding: 10px 20px;
    }

    .counter-label {
        font-size: 1.1em;
    }

    .counter-value {
        font-size: 1.5em;
        min-width: 40px;
    }
}