/*
 * GCARD 공통 버튼 시스템
 *
 * 구조: gc-point-btn(공통 포인트 CTA) + 선택적 크기/상태 클래스
 * 원칙: 화면별로 색상·그림자·애니메이션을 다시 선언하지 않는다.
 */
:root {
    --gc-point-btn-bg: #ffffff;
    --gc-point-btn-text: #ffffff;
    --gc-point-btn-border: linear-gradient(90deg, #06b6d4, #8b5cf6, #ec4899, #06b6d4);
    --gc-point-btn-glow: rgba(99, 102, 241, 0.38);
    --gc-point-btn-radius: 30px;
}

.gc-point-btn {
    position: relative;
    isolation: isolate;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 44px;
    padding: 0 18px;
    overflow: hidden;
    color: var(--gc-point-btn-text) !important;
    background: var(--gc-point-btn-bg);
    border: 0;
    border-radius: var(--gc-point-btn-radius);
    box-shadow: 0 10px 24px var(--gc-point-btn-glow), inset 0 1px 0 rgba(255, 255, 255, 0.26);
    font-size: 14px;
    font-weight: 800;
    line-height: normal;
    letter-spacing: -0.015em;
    text-decoration: none !important;
    cursor: pointer;
    transition: none;
}

.gc-point-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(110deg, transparent 20%, rgba(255, 255, 255, 0.58) 48%, transparent 76%);
    transform: translateX(-130%);
    opacity: 0;
}

.gc-point-btn::after {
    content: "";
    position: absolute;
    inset: -2px;
    z-index: 0;
    pointer-events: none;
    border-radius: inherit;
    background: var(--gc-point-btn-border);
    background-size: 200%;
    animation: gc-point-border-flow 3s linear infinite;
}

.gc-point-btn:hover {
    color: var(--gc-point-btn-text) !important;
    filter: none;
    transform: none;
    box-shadow: 0 10px 24px var(--gc-point-btn-glow), inset 0 1px 0 rgba(255, 255, 255, 0.26);
}

.gc-point-btn:hover::before {
    animation: gc-point-reflection 900ms ease-out both;
}

.gc-point-btn:active {
    filter: none;
    transform: none;
    box-shadow: 0 10px 24px var(--gc-point-btn-glow), inset 0 1px 0 rgba(255, 255, 255, 0.26);
}

.gc-point-btn:focus-visible {
    outline: 3px solid rgba(99, 102, 241, 0.42);
    outline-offset: 4px;
}

.gc-point-btn > i {
    position: relative;
    z-index: 2;
    flex: 0 0 auto;
    font-size: 18px;
}

.gc-point-btn > span {
    position: relative;
    z-index: 2;
}

.gc-point-btn--compact {
    min-height: 38px;
    padding: 0 13px;
    gap: 7px;
    font-size: 12px;
}

.gc-point-btn--desktop-only {
    display: none;
}

/*
 * BUTTON 05 — AI Aurora
 * 명함 편집의 AI 번역 실행 버튼에만 사용한다.
 */
.gc-ai-aurora-btn,
.gc-btn-ai {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 44px;
    height: 44px;
    padding: 0 18px;
    border: 0;
    border-radius: 30px;
    color: #fff !important;
    background: linear-gradient(135deg, #7c3aed, #ec4899);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: -0.015em;
    line-height: normal;
    box-shadow: 0 10px 24px rgba(168, 85, 247, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.26);
    text-decoration: none !important;
    transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.gc-ai-aurora-btn::before,
.gc-btn-ai::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(110deg, transparent 20%, rgba(255, 255, 255, 0.62) 48%, transparent 76%);
    opacity: 0;
    transform: translateX(-130%);
}

.gc-ai-aurora-btn:hover,
.gc-btn-ai:hover {
    color: #fff !important;
    background: linear-gradient(135deg, #7c3aed, #ec4899);
    filter: saturate(1.04);
    transform: translateY(-1px) scale(1.005);
    box-shadow: 0 12px 26px rgba(168, 85, 247, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.30);
}

.gc-ai-aurora-btn:hover::before,
.gc-btn-ai:hover::before {
    animation: gc-point-reflection 900ms ease-out both;
}

.gc-ai-aurora-btn:active,
.gc-btn-ai:active {
    transform: translateY(0) scale(0.99);
    box-shadow: 0 8px 16px rgba(168, 85, 247, 0.34), inset 0 1px 4px rgba(0, 0, 0, 0.14);
}

.gc-ai-aurora-btn > i,
.gc-btn-ai > i {
    position: relative;
    z-index: 2;
    font-size: 18px;
}

.gc-ai-aurora-btn > span,
.gc-btn-ai > span {
    position: relative;
    z-index: 2;
}

.gc-ai-aurora-btn:disabled,
.gc-ai-aurora-btn.is-loading,
.gc-btn-ai:disabled,
.gc-btn-ai.is-loading {
    opacity: 0.85;
    cursor: wait;
    transform: none;
}

@media (min-width: 768px) {
    .gc-point-btn--mobile-only {
        display: none;
    }

    .gc-point-btn--desktop-only {
        display: inline-flex;
    }
}

@keyframes gc-point-border-flow {
    to { background-position: 200% center; }
}

@keyframes gc-point-reflection {
    0% {
        opacity: 0;
        transform: translateX(-130%);
    }
    12% {
        opacity: 1;
    }
    88% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateX(130%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .gc-point-btn,
    .gc-point-btn::after {
        animation: none;
        transition: none;
    }

    .gc-point-btn:hover::before {
        animation: none;
        opacity: 1;
        transform: translateX(0);
    }

    .gc-ai-aurora-btn:hover::before,
    .gc-btn-ai:hover::before {
        animation: none;
        opacity: 1;
        transform: translateX(0);
    }
}