/* ====================================== Apple-Style Welcome Screen =============================================== */

html.welcome-dismissed #welcome_screen {
    display: none !important;
}

html.welcome-active,
body.welcome-active {
    overflow: hidden !important;
    height: 100vh !important;
    width: 100vw !important;
    touch-action: none !important;
    overscroll-behavior: none !important;
}

.welcome-screen {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #0a0a09;
    color: #ffffff;
    padding: 2rem 1.5rem;
    box-sizing: border-box;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.welcome-screen.is-dismissed {
    opacity: 0;
    transform: translateY(-20px) scale(0.98);
    pointer-events: none;
    visibility: hidden;
}

.welcome-screen__container {
    position: relative;
    width: 100%;
    max-width: 680px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 280px;
}

.welcome-stage {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Stage 1: Greeting */
.welcome-stage--greeting {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    pointer-events: auto;
}

.welcome-stage--greeting.is-hidden {
    opacity: 0;
    transform: translate3d(0, -18px, 0) scale(0.97);
    pointer-events: none;
}

.welcome-greeting {
    margin: 0 0 1rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
}

.welcome-greeting__word {
    font-size: clamp(3rem, 8vw, 4.6rem);
    font-weight: 500;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: #ffffff;
    animation: appleHelloFadeIn 0.75s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.welcome-greeting__word--en {
    font-family: var(--font-main, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
}

.welcome-greeting__word--si {
    color: var(--accent-light, #fbbf24);
    font-size: clamp(2.5rem, 7vw, 4rem);
    animation-delay: 0.12s;
}

.welcome-greeting__sub {
    margin: 0;
    font-size: clamp(0.9rem, 2vw, 1.05rem);
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.02em;
    animation: appleHelloFadeIn 0.75s cubic-bezier(0.16, 1, 0.3, 1) 0.22s both;
}

@keyframes appleHelloFadeIn {
    0% {
        opacity: 0;
        transform: translateY(14px) scale(0.96);
        filter: blur(6px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0px);
    }
}

/* Stage 2: Picker */
.welcome-stage--picker {
    opacity: 0;
    transform: translate3d(0, 18px, 0) scale(0.97);
    pointer-events: none;
}

.welcome-stage--picker.is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    pointer-events: auto;
}

.welcome-picker__title {
    margin: 0 0 1.75rem 0;
    font-size: clamp(1.2rem, 3vw, 1.55rem);
    font-weight: 500;
    letter-spacing: -0.01em;
    color: #ffffff;
}

.welcome-picker__buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    width: 100%;
    max-width: 440px;
}

.welcome-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.6rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 9999px;
    color: #ffffff;
    font-family: var(--font-main, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
    font-size: 1.05rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.welcome-btn:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: var(--accent, #d97706);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px -4px rgba(217, 119, 6, 0.25);
}

.welcome-btn:active {
    transform: scale(0.97);
}

.welcome-btn__arrow {
    font-size: 1.2rem;
    color: var(--accent, #d97706);
    transition: transform 0.25s ease;
}

.welcome-btn:hover .welcome-btn__arrow {
    transform: translateX(4px);
}

@media (max-width: 480px) {
    .welcome-screen {
        padding: 1.5rem 1rem;
    }

    .welcome-picker__buttons {
        flex-direction: column;
        gap: 0.85rem;
        width: 100%;
    }

    .welcome-btn {
        width: 100%;
        padding: 1rem 1.35rem;
    }
}