:root {
    --grid-cols: 4;
    --peg-size: 35px;
    --feedback-peg-size: 16px;
    --correct-color: #3498db;
    --present-color: #f1c40f;
    --wrong-color: #95a5a6;
}

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

body {
    background: linear-gradient(135deg, var(--bs-body-bg) 0%, var(--bs-secondary-bg) 100%);
    color: var(--bs-body-color);
    font-family: "Comic Relief", system-ui;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 500px;
    width: 100%;
}

h1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.controls-area {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 25px;
    padding: 15px;
    background: var(--bs-tertiary-bg);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.input-group .form-select {
    background-color: var(--bs-card-bg);
    color: var(--bs-body-color);
    border: 2px solid var(--bs-border-color);
    border-radius: 8px;
    transition: all 0.3s;
}

.input-group .form-select:hover {
    border-color: #667eea;
    box-shadow: 0 0 8px rgba(102, 126, 234, 0.3);
}

.input-group .input-group-text {
    background: transparent;
    color: var(--bs-body-color);
    border: none;
    font-weight: 600;
}

.btn {
    border-radius: 10px;
    font-weight: 700;
    padding: 10px 20px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-info {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.btn-info:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(245, 87, 108, 0.4);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Game Area */
.game-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

#game-board {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--bs-secondary-bg);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 450px;
    border: 2px solid var(--bs-border-color);
}

.attempt-row-wrapper {
    display: grid;
    grid-template-columns: 35px 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 10px;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: var(--bs-tertiary-bg);
}

.attempt-row-wrapper.current-row {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border: 2px solid #667eea;
    box-shadow: 0 0 15px rgba(102, 126, 234, 0.2);
}

.attempt-row-wrapper.win-row {
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.2) 0%, rgba(16, 185, 129, 0.2) 100%);
    border: 2px solid #10b981;
}

.attempt-number {
    font-weight: 800;
    color: #667eea;
    text-align: center;
    font-size: 0.9rem;
}

.guess-pegs {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex: 1;
}

.peg {
    width: var(--peg-size);
    height: var(--peg-size);
    border-radius: 50%;
    border: 3px solid var(--bs-border-color);
    background-color: var(--bs-card-bg);
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    position: relative;
}

.peg:hover:not(.locked) {
    transform: scale(1.2) translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25);
}

.peg.empty-peg {
    background: linear-gradient(135deg, var(--bs-tertiary-bg) 0%, var(--bs-card-bg) 100%);
}

.peg.locked {
    cursor: default;
    opacity: 0.8;
}

.feedback-pegs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 5px;
    width: 50px;
    height: 50px;
}

.feedback-peg {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--bs-secondary-bg);
    border: 2px solid var(--bs-border-color);
    transition: all 0.3s;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.feedback-peg.correct {
    background-color: var(--correct-color);
    border-color: var(--correct-color);
    box-shadow: 0 0 10px rgba(52, 152, 219, 0.5);
}

.feedback-peg.present {
    background-color: var(--present-color);
    border-color: var(--present-color);
    box-shadow: 0 0 10px rgba(241, 196, 15, 0.5);
}

/* Color Palette */
.color-palette {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 15px;
    background: var(--bs-tertiary-bg);
    border-radius: 12px;
}

.color-option {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid var(--bs-border-color);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.color-option:hover {
    transform: scale(1.15) translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.color-option.selected {
    border-color: #667eea;
    border-width: 4px;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.6), inset 0 0 10px rgba(255, 255, 255, 0.3);
    transform: scale(1.15);
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 1.05rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    letter-spacing: 1px;
    transition: all 0.3s;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    text-transform: uppercase;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.5);
}

.submit-btn:active:not(:disabled) {
    transform: translateY(-1px);
}

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

/* Messages */
#game-feedback {
    text-align: center;
}

#game-message {
    font-size: 1.2rem;
    font-weight: 700;
    min-height: 30px;
    transition: all 0.3s;
    letter-spacing: 0.5px;
}

#game-message.success {
    color: #10b981;
    animation: messagePop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#game-message.error {
    color: #ef4444;
    animation: messageShake 0.5s;
}

@keyframes messagePop {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes messageShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

/* Secret Code Display */
#secret-code-area {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(52, 211, 153, 0.1) 100%);
    border-radius: 12px;
    border: 2px solid #10b981;
    margin-top: 15px;
}

#secret-code-area p {
    font-weight: 700;
    color: #10b981;
    margin-bottom: 10px;
}

#secret-code {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Modal Styling */
.modal-content {
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    border: 2px solid var(--bs-border-color);
    border-radius: 15px;
}

.modal-header {
    border-bottom: 2px solid var(--bs-border-color);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.modal-footer {
    border-top: 2px solid var(--bs-border-color);
}

/* Responsive */
@media (max-width: 576px) {
    h1 {
        font-size: 1.8rem;
    }
    
    .peg {
        width: 30px;
        height: 30px;
    }
    
    .color-option {
        width: 42px;
        height: 42px;
    }
    
    #game-board {
        padding: 15px;
    }
    
    .attempt-row-wrapper {
        grid-template-columns: 30px 1fr auto;
        gap: 8px;
    }
}