/**
 * KiloBet Casino Second Domain
 * Button & Links Styles
 */

/* ==========================================================================
   CSS Variables for Buttons
   ========================================================================== */

:root {
    /* Button Colors */
    --btn-primary-bg: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
    --btn-primary-hover: linear-gradient(135deg, #3367d6 0%, #2e7d32 100%);
    --btn-primary-active: linear-gradient(135deg, #2c5aa0 0%, #1b5e20 100%);
    
    --btn-secondary-bg: transparent;
    --btn-secondary-border: #4285f4;
    --btn-secondary-color: #4285f4;
    --btn-secondary-hover-bg: #4285f4;
    --btn-secondary-hover-color: #ffffff;
    
    --btn-success-bg: linear-gradient(135deg, #34a853 0%, #0f9d58 100%);
    --btn-success-hover: linear-gradient(135deg, #2e7d32 0%, #0d7d47 100%);
    
    --btn-warning-bg: linear-gradient(135deg, #fbbc04 0%, #f9ab00 100%);
    --btn-warning-hover: linear-gradient(135deg, #ea9200 0%, #e37400 100%);
    
    --btn-danger-bg: linear-gradient(135deg, #ea4335 0%, #d33b2c 100%);
    --btn-danger-hover: linear-gradient(135deg, #d23125 0%, #b52d20 100%);
    
    --btn-dark-bg: linear-gradient(135deg, #1c1f24 0%, #2d3238 100%);
    --btn-dark-hover: linear-gradient(135deg, #2d3238 0%, #3c4043 100%);
    
    --btn-light-bg: #f8f9fa;
    --btn-light-hover: #e9ecef;
    --btn-light-color: #1c1f24;
    
    /* Button Shadows */
    --btn-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    --btn-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.2);
    --btn-shadow-active: 0 1px 4px rgba(0, 0, 0, 0.2);
    
    /* Button Sizes */
    --btn-padding-sm: 6px 12px;
    --btn-padding-md: 10px 20px;
    --btn-padding-lg: 12px 30px;
    --btn-padding-xl: 15px 35px;
    
    --btn-font-sm: 0.8rem;
    --btn-font-md: 0.9rem;
    --btn-font-lg: 1rem;
    --btn-font-xl: 1.1rem;
    
    --btn-height-sm: 32px;
    --btn-height-md: 40px;
    --btn-height-lg: 48px;
    --btn-height-xl: 56px;
    
    /* Button Radius */
    --btn-radius-sm: 4px;
    --btn-radius-md: 6px;
    --btn-radius-lg: 8px;
    --btn-radius-xl: 12px;
    --btn-radius-pill: 50px;
    
    /* Transitions */
    --btn-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --btn-transition-fast: all 0.15s ease;
}

/* ==========================================================================
   Base Button Styles
   ========================================================================== */

.btn,
button.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--btn-padding-md);
    font-family: inherit;
    font-size: var(--btn-font-md);
    font-weight: 600;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 2px solid transparent;
    border-radius: var(--btn-radius-lg);
    cursor: pointer;
    transition: var(--btn-transition);
    position: relative;
    overflow: hidden;
    min-height: var(--btn-height-md);
    gap: 8px;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.3);
}

.btn:disabled,
.btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn:disabled:hover,
.btn.disabled:hover {
    transform: none;
    box-shadow: var(--btn-shadow);
}

/* Button Loading State */
.btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn.loading::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid currentColor;
    border-radius: 50%;
    border-top-color: transparent;
    animation: btn-spin 0.8s linear infinite;
}

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

/* ==========================================================================
   Button Variants
   ========================================================================== */

/* Primary Button */
.btn-primary {
    background: var(--btn-primary-bg);
    color: #ffffff;
    box-shadow: var(--btn-shadow);
}

.btn-primary:hover {
    background: var(--btn-primary-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--btn-shadow-hover);
}

.btn-primary:active {
    background: var(--btn-primary-active);
    transform: translateY(0);
    box-shadow: var(--btn-shadow-active);
}

/* Secondary Button */
.btn-secondary {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-color);
    border-color: var(--btn-secondary-border);
}

.btn-secondary:hover {
    background: var(--btn-secondary-hover-bg);
    color: var(--btn-secondary-hover-color);
    border-color: var(--btn-secondary-hover-bg);
    transform: translateY(-1px);
    box-shadow: var(--btn-shadow);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: var(--btn-shadow-active);
}

/* Success Button */
.btn-success {
    background: var(--btn-success-bg);
    color: #ffffff;
    box-shadow: var(--btn-shadow);
}

.btn-success:hover {
    background: var(--btn-success-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--btn-shadow-hover);
}

/* Warning Button */
.btn-warning {
    background: var(--btn-warning-bg);
    color: #1c1f24;
    box-shadow: var(--btn-shadow);
}

.btn-warning:hover {
    background: var(--btn-warning-hover);
    color: #1c1f24;
    transform: translateY(-2px);
    box-shadow: var(--btn-shadow-hover);
}

/* Danger Button */
.btn-danger {
    background: var(--btn-danger-bg);
    color: #ffffff;
    box-shadow: var(--btn-shadow);
}

.btn-danger:hover {
    background: var(--btn-danger-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--btn-shadow-hover);
}

/* Dark Button */
.btn-dark {
    background: var(--btn-dark-bg);
    color: #ffffff;
    box-shadow: var(--btn-shadow);
}

.btn-dark:hover {
    background: var(--btn-dark-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--btn-shadow-hover);
}

/* Light Button */
.btn-light {
    background: var(--btn-light-bg);
    color: var(--btn-light-color);
    border-color: #dee2e6;
}

.btn-light:hover {
    background: var(--btn-light-hover);
    color: var(--btn-light-color);
    transform: translateY(-1px);
    box-shadow: var(--btn-shadow);
}

/* Ghost/Outline Variants */
.btn-outline-primary {
    background: transparent;
    color: #4285f4;
    border-color: #4285f4;
}

.btn-outline-primary:hover {
    background: #4285f4;
    color: #ffffff;
    border-color: #4285f4;
}

.btn-outline-secondary {
    background: transparent;
    color: #5f6368;
    border-color: #5f6368;
}

.btn-outline-secondary:hover {
    background: #5f6368;
    color: #ffffff;
    border-color: #5f6368;
}

/* ==========================================================================
   Button Sizes
   ========================================================================== */

.btn-sm {
    padding: var(--btn-padding-sm);
    font-size: var(--btn-font-sm);
    min-height: var(--btn-height-sm);
    border-radius: var(--btn-radius-md);
}

.btn-md {
    padding: var(--btn-padding-md);
    font-size: var(--btn-font-md);
    min-height: var(--btn-height-md);
    border-radius: var(--btn-radius-lg);
}

.btn-lg {
    padding: var(--btn-padding-lg);
    font-size: var(--btn-font-lg);
    min-height: var(--btn-height-lg);
    border-radius: var(--btn-radius-lg);
}

.btn-xl {
    padding: var(--btn-padding-xl);
    font-size: var(--btn-font-xl);
    min-height: var(--btn-height-xl);
    border-radius: var(--btn-radius-xl);
}

/* ==========================================================================
   Button Shapes
   ========================================================================== */

.btn-rounded {
    border-radius: var(--btn-radius-xl);
}

.btn-pill {
    border-radius: var(--btn-radius-pill);
}

.btn-square {
    border-radius: 0;
}

.btn-circle {
    width: var(--btn-height-md);
    height: var(--btn-height-md);
    padding: 0;
    border-radius: 50%;
}

.btn-circle.btn-sm {
    width: var(--btn-height-sm);
    height: var(--btn-height-sm);
}

.btn-circle.btn-lg {
    width: var(--btn-height-lg);
    height: var(--btn-height-lg);
}

.btn-circle.btn-xl {
    width: var(--btn-height-xl);
    height: var(--btn-height-xl);
}

/* ==========================================================================
   Button Width Variants
   ========================================================================== */

.btn-block {
    display: flex;
    width: 100%;
}

.btn-auto {
    width: auto;
}

/* ==========================================================================
   Specific Application Buttons
   ========================================================================== */

/* Header Buttons */
.login-btn {
    background: transparent;
    color: #ffffff;
    border: 2px solid #dee2e6;
    padding: var(--btn-padding-sm);
    font-size: var(--btn-font-sm);
    font-weight: 500;
    border-radius: var(--btn-radius-md);
    transition: var(--btn-transition-fast);
}

.login-btn:hover {
    background: #f8f9fa;
    border-color: #4285f4;
    color: #4285f4;
    transform: none;
}

.signup-btn {
    background: var(--btn-primary-bg);
    color: #ffffff;
    padding: var(--btn-padding-sm);
    font-size: var(--btn-font-sm);
    font-weight: 600;
    border-radius: var(--btn-radius-md);
    box-shadow: var(--btn-shadow);
    transition: var(--btn-transition-fast);
}

.signup-btn:hover {
    background: var(--btn-primary-hover);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: var(--btn-shadow-hover);
}

/* Banner Buttons */
.banner-button {
    background: var(--btn-primary-bg);
    color: #ffffff;
    padding: var(--btn-padding-lg);
    font-size: var(--btn-font-md);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--btn-radius-lg);
    box-shadow: var(--btn-shadow-hover);
    transition: var(--btn-transition);
    border: none;
}

.banner-button:hover {
    background: var(--btn-primary-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(66, 133, 244, 0.4);
}

.banner-button:active {
    transform: translateY(0);
    box-shadow: var(--btn-shadow);
}

/* Game Buttons */
.game-play-free {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
    padding: var(--btn-padding-sm);
    font-size: var(--btn-font-sm);
    font-weight: 600;
    border-radius: var(--btn-radius-md);
    transition: var(--btn-transition-fast);
    width: 100%;
}

.game-play-free:hover {
    background: #ffffff;
    color: #1c1f24;
    border-color: #ffffff;
}

.game-play-real {
    background: var(--btn-primary-bg);
    color: #ffffff;
    border: 2px solid transparent;
    padding: var(--btn-padding-sm);
    font-size: var(--btn-font-sm);
    font-weight: 600;
    border-radius: var(--btn-radius-md);
    transition: var(--btn-transition-fast);
    width: 100%;
}

.game-play-real:hover {
    background: var(--btn-primary-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.3);
}

/* CTA Buttons */
.cta-button {
    padding: var(--btn-padding-xl);
    font-size: var(--btn-font-xl);
    font-weight: 600;
    border-radius: var(--btn-radius-lg);
    transition: var(--btn-transition);
    min-width: 160px;
    position: relative;
    overflow: hidden;
}

.cta-button.primary {
    background: var(--btn-primary-bg);
    color: #ffffff;
    border: 2px solid transparent;
}

.cta-button.primary:hover {
    background: var(--btn-primary-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(66, 133, 244, 0.3);
}

.cta-button.secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #4285f4;
}

.cta-button.secondary:hover {
    background: #4285f4;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(66, 133, 244, 0.2);
}

/* Show More Button */
.show-more {
    color: #4285f4;
    font-weight: 500;
    font-size: 1.1rem;
    padding: 8px 16px;
    border-radius: var(--btn-radius-md);
    transition: var(--btn-transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.show-more:hover {
    background: rgba(66, 133, 244, 0.1);
    color: #2e7d32;
    transform: translateX(5px);
}

.show-more::after {
    content: "›";
    font-size: 1.2em;
    transition: transform var(--btn-transition-fast);
}

.show-more:hover::after {
    transform: translateX(3px);
}

/* Support Button */
.support-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--btn-primary-bg);
    color: #ffffff;
    padding: 15px 25px;
    border-radius: var(--btn-radius-pill);
    font-weight: 600;
    font-size: var(--btn-font-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 20px rgba(66, 133, 244, 0.3);
    z-index: 1000;
    transition: var(--btn-transition);
    border: none;
    text-decoration: none;
}

.support-button:hover {
    background: var(--btn-primary-hover);
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(66, 133, 244, 0.4);
}

.support-button:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(66, 133, 244, 0.3);
}

/* ==========================================================================
   Button Groups
   ========================================================================== */

.btn-group {
    display: inline-flex;
    vertical-align: middle;
}

.btn-group .btn {
    position: relative;
    border-radius: 0;
    margin-right: -2px;
}

.btn-group .btn:first-child {
    border-top-left-radius: var(--btn-radius-lg);
    border-bottom-left-radius: var(--btn-radius-lg);
}

.btn-group .btn:last-child {
    border-top-right-radius: var(--btn-radius-lg);
    border-bottom-right-radius: var(--btn-radius-lg);
    margin-right: 0;
}

.btn-group .btn:hover {
    z-index: 2;
}

.btn-group .btn:focus {
    z-index: 3;
}

/* ==========================================================================
   Link Styles
   ========================================================================== */

/* Basic Links */
a {
    color: #4285f4;
    text-decoration: none;
    transition: color var(--btn-transition-fast);
}

a:hover {
    color: #2e7d32;
    text-decoration: underline;
}

a:focus {
    outline: 2px solid rgba(66, 133, 244, 0.3);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Navigation Links */
.nav-link {
    color: #1c1f24;
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: color var(--btn-transition-fast);
    text-decoration: none;
}

.nav-link:hover {
    color: #4285f4;
    text-decoration: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #4285f4;
    transition: width var(--btn-transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active {
    color: #4285f4;
}

.nav-link.active::after {
    width: 100%;
}

/* Footer Links */
.footer-link {
    color: #b8bcc8;
    font-weight: 400;
    transition: color var(--btn-transition-fast);
    text-decoration: none;
}

.footer-link:hover {
    color: #ffffff;
    text-decoration: none;
}

/* Social Links */
.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #b8bcc8;
    transition: var(--btn-transition);
    text-decoration: none;
}

.social-link:hover {
    background: #4285f4;
    color: #ffffff;
    transform: translateY(-2px);
    text-decoration: none;
}

/* ==========================================================================
   Button Icons
   ========================================================================== */

.btn-icon {
    padding: 0;
    width: var(--btn-height-md);
    height: var(--btn-height-md);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon.btn-sm {
    width: var(--btn-height-sm);
    height: var(--btn-height-sm);
}

.btn-icon.btn-lg {
    width: var(--btn-height-lg);
    height: var(--btn-height-lg);
}

.btn-with-icon {
    gap: 8px;
}

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

.btn-with-icon.btn-lg .icon {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   Responsive Button Styles
   ========================================================================== */

@media (max-width: 768px) {
    .btn {
        padding: var(--btn-padding-sm);
        font-size: var(--btn-font-sm);
        min-height: var(--btn-height-sm);
    }
    
    .btn-lg {
        padding: var(--btn-padding-md);
        font-size: var(--btn-font-md);
        min-height: var(--btn-height-md);
    }
    
    .cta-button {
        padding: var(--btn-padding-lg);
        font-size: var(--btn-font-lg);
        width: 100%;
        max-width: 300px;
    }
    
    .support-button {
        bottom: 20px;
        right: 20px;
        padding: 12px 20px;
        font-size: var(--btn-font-sm);
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        margin-right: 0;
        margin-bottom: -2px;
        border-radius: 0;
    }
    
    .btn-group .btn:first-child {
        border-top-left-radius: var(--btn-radius-lg);
        border-top-right-radius: var(--btn-radius-lg);
        border-bottom-left-radius: 0;
    }
    
    .btn-group .btn:last-child {
        border-bottom-left-radius: var(--btn-radius-lg);
        border-bottom-right-radius: var(--btn-radius-lg);
        border-top-right-radius: 0;
        margin-bottom: 0;
    }
}

@media (max-width: 480px) {
    .login-btn {
        display: none; /* Hide on very small screens */
    }
    
    .signup-btn {
        padding: 6px 10px;
        font-size: 0.75rem;
    }
    
    .banner-button {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    
    .support-button {
        bottom: 15px;
        right: 15px;
        padding: 10px 16px;
        font-size: 0.8rem;
        border-radius: 25px;
    }
    
    .cta-button {
        padding: var(--btn-padding-md);
        font-size: var(--btn-font-md);
    }
}

/* ==========================================================================
   Accessibility Enhancements
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .btn,
    .nav-link,
    .social-link,
    .show-more {
        transition: none;
    }
    
    .btn:hover,
    .banner-button:hover,
    .support-button:hover {
        transform: none;
    }
    
    .show-more:hover {
        transform: none;
    }
    
    .show-more:hover::after {
        transform: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn {
        border-width: 3px;
    }
    
    .btn-secondary,
    .btn-outline-primary,
    .btn-outline-secondary {
        border-width: 3px;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .btn,
    .support-button,
    .banner-button,
    .social-link {
        display: none;
    }
    
    a {
        color: #000 !important;
        text-decoration: underline !important;
    }
}