/* Enhanced Button Styles with Better Icons */

/* SVG Icon Styles */
.btn-svg-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

/* Improved button base */
.btn {
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Remove chunky emoji styles */
.btn-icon {
    display: none;
}

/* Primary button improvements */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

.btn-primary .btn-svg-icon {
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

/* Secondary button improvements */
.btn-secondary {
    background: var(--bg-primary);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    position: relative;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    transition: width var(--transition-base);
    z-index: -1;
}

.btn-secondary:hover {
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

.btn-secondary:hover::before {
    width: 100%;
}

.btn-secondary:hover .btn-svg-icon {
    stroke: white;
    transform: scale(1.1);
}

/* Icon + Text button */
.btn-icon-text {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-icon-text:hover {
    background: var(--primary-light);
    color: white;
    border-color: var(--primary-light);
    transform: scale(1.05);
}

.btn-icon-text svg {
    width: 16px;
    height: 16px;
}

/* Room ID container with copy button */
.room-id-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    justify-content: center;
    margin: var(--spacing-md) 0;
}

.room-id {
    font-family: 'Courier New', 'Consolas', 'Monaco', monospace !important;
    font-size: var(--text-3xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.2em;
    padding: var(--spacing-md);
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 2px dashed var(--border-color);
    min-width: 150px;
    position: relative;
}

/* Animated gradient background for room ID */
.room-id::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg,
        var(--primary-color),
        var(--secondary-color),
        var(--primary-color),
        var(--secondary-color));
    background-size: 300% 300%;
    border-radius: var(--radius-md);
    opacity: 0;
    transition: opacity var(--transition-base);
    animation: gradientShift 3s ease infinite;
    z-index: -1;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.room-id-container:hover .room-id::before {
    opacity: 0.3;
}

/* Outline button improvements */
.btn-outline {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    position: relative;
    overflow: hidden;
}

.btn-outline::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--bg-tertiary);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover::after {
    width: 300px;
    height: 300px;
}

.btn-outline span {
    position: relative;
    z-index: 1;
}

/* Danger button improvements */
.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #f87171 0%, var(--danger-color) 100%);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
    transform: translateY(-2px);
}

/* Icon-only button improvements */
.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    transition: all var(--transition-base);
    position: relative;
}

.btn-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--primary-light);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.btn-icon:hover {
    border-color: var(--primary-color);
    transform: rotate(10deg) scale(1.1);
}

.btn-icon:hover::before {
    width: 100%;
    height: 100%;
}

.btn-icon > * {
    position: relative;
    z-index: 1;
}

/* Loading state for buttons */
.btn.loading {
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spinner 0.6s linear infinite;
}

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

/* Button group styling */
.step-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* Modal button improvements */
.modal-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .step-buttons,
    .modal-buttons {
        flex-direction: column;
    }

    .step-buttons .btn,
    .modal-buttons .btn {
        width: 100%;
    }

    .room-id-container {
        flex-direction: column;
    }
}

/* Accessibility improvements */
.btn:focus-visible {
    outline: 3px solid var(--primary-light);
    outline-offset: 2px;
}

/* Ripple effect on click */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 1;
    }
    20% {
        transform: scale(25, 25);
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: scale(40, 40);
    }
}

.btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

/* Smooth color transitions */
.btn,
.btn::before,
.btn::after,
.btn-svg-icon {
    transition: all var(--transition-base) cubic-bezier(0.4, 0, 0.2, 1);
}