/* Mailbox Overlay */
.mailbox-overlay {
    --mailbox-gold: #FFD66E;
    --mailbox-gold-strong: #FFBE3F;
    --mailbox-purple-deep: #432360;
    --mailbox-purple-mid: #5f328e;
    --mailbox-purple-soft: #7a45b2;
    --mailbox-text-soft: #beb6db;
    --mailbox-text-main: #f4efff;
    --mailbox-text-muted: #c9c0e2;
    --mailbox-card-dark: rgba(15, 9, 29, 0.52);
    --mailbox-card-light: rgba(255, 255, 255, 0.04);

    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    /* Darker backdrop */
    backdrop-filter: blur(5px);
    z-index: 2000;
    /* Above everything else */
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mailbox-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

/* Mailbox Container */
.mailbox-container {
    width: 500px;
    height: 700px;
    background:
        radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.14) 0%, rgba(255, 255, 255, 0) 34%),
        radial-gradient(circle at 100% 24%, rgba(196, 118, 255, 0.14) 0%, rgba(196, 118, 255, 0) 40%),
        linear-gradient(180deg, #5b356f 0%, #6a3f91 44%, #6433a4 100%);
    border-radius: 30px;
    box-shadow:
        0 18px 52px rgba(0, 0, 0, 0.58),
        0 0 0 1px rgba(255, 255, 255, 0.08) inset,
        0 0 0 2px rgba(255, 214, 110, 0.12);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.mailbox-overlay.visible .mailbox-container {
    transform: scale(1);
}

.mailbox-container::before {
    content: '';
    position: absolute;
    inset: 10px;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    pointer-events: none;
}

.mailbox-container::after {
    content: '';
    position: absolute;
    top: 86px;
    left: 28px;
    right: 28px;
    height: 1px;
    background: linear-gradient(90deg, rgba(255, 214, 110, 0), rgba(255, 214, 110, 0.58), rgba(255, 214, 110, 0));
    pointer-events: none;
}

/* Header */
.mailbox-header {
    padding: 30px 30px 20px 30px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    position: relative;
}

.mailbox-title {
    font-family: 'Outfit', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--mailbox-text-main);
    text-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
    margin: 0;
    line-height: 1.2;
}

.mailbox-subtitle {
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--mailbox-gold);
    /* Gold */
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mailbox-close-btn {
    position: absolute;
    top: 30px;
    right: 30px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.08));
    border: 1px solid rgba(255, 255, 255, 0.16);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.2s;
}

.mailbox-close-btn:hover {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0.12));
    transform: translateY(-1px);
}

.mailbox-close-btn img {
    width: 16px;
    height: 16px;
}

/* Content Area */
.mailbox-content {
    flex: 1;
    padding: 10px 30px 30px 30px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Scrollbar Styling */
.mailbox-content::-webkit-scrollbar {
    width: 6px;
}

.mailbox-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.mailbox-content::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(255, 214, 110, 0.65), rgba(255, 190, 63, 0.42));
    border-radius: 3px;
}

/* Message Item */
.message-item {
    background:
        linear-gradient(180deg, var(--mailbox-card-light), rgba(255, 255, 255, 0.01)),
        var(--mailbox-card-dark);
    border-radius: 20px;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s, background 0.2s, border-color 0.2s;
    border: 1px solid rgba(255, 255, 255, 0.09);
    position: relative;
    box-shadow:
        0 8px 18px rgba(0, 0, 0, 0.28),
        0 0 0 1px rgba(255, 255, 255, 0.04) inset;
}

.message-item:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 214, 110, 0.35);
}

.message-item::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 12px;
    width: 8px;
    height: calc(100% - 24px);
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 214, 110, 0.82), rgba(255, 214, 110, 0.16));
    opacity: 0.68;
}

.message-item::after {
    content: '';
    position: absolute;
    left: 18px;
    right: 18px;
    top: 8px;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0));
    pointer-events: none;
}

.message-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-left: 12px;
}

.message-title {
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--mailbox-text-main);
}

.message-desc {
    font-family: 'Outfit', sans-serif;
    font-size: 12px;
    color: var(--mailbox-text-muted);
    /* Light purple/grey */
}

/* Item Action Button */
.message-action-btn {
    background: linear-gradient(135deg, var(--mailbox-gold) 0%, var(--mailbox-gold-strong) 100%);
    border: none;
    border-radius: 20px;
    padding: 8px 16px;
    font-family: 'Outfit', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--mailbox-purple-deep);
    /* Dark text on gold */
    cursor: pointer;
    box-shadow:
        0 4px 10px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.28) inset;
    transition: transform 0.1s, filter 0.1s;
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.message-action-btn::before {
    content: '';
    position: absolute;
    inset: 2px;
    border-radius: 17px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0));
    pointer-events: none;
}

.message-action-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.message-action-btn:active {
    transform: translateY(1px);
}

.message-action-btn img {
    width: 16px;
    height: 16px;
    object-fit: contain;
}

/* Expired State */
.message-item.expired {
    opacity: 0.6;
}

.message-item.expired::before {
    background: linear-gradient(180deg, rgba(170, 170, 170, 0.65), rgba(130, 130, 130, 0.2));
}

.message-item.expired .message-action-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #9f97b8;
    box-shadow: none;
    cursor: default;
    pointer-events: none;
}

/* Claimed State */
.message-item.claimed {
    background: rgba(255, 215, 0, 0.05);
    border-color: rgba(255, 215, 0, 0.2);
}

.message-item.claimed::before {
    background: linear-gradient(180deg, rgba(255, 214, 110, 0.95), rgba(255, 214, 110, 0.28));
}

.message-item.claimed .message-action-btn {
    background: linear-gradient(135deg, rgba(255, 214, 110, 0.25), rgba(255, 190, 63, 0.18));
    color: #f3d890;
    box-shadow:
        0 6px 14px rgba(0, 0, 0, 0.28),
        0 0 0 1px rgba(255, 214, 110, 0.32) inset;
    cursor: default;
    pointer-events: none;
    padding: 8px 32px;
    border-radius: 40px;
    border: 1px solid rgba(255, 214, 110, 0.45);
}

.message-item.claimed .message-action-btn img.check-icon {
    width: 14px;
    height: 14px;
    filter: drop-shadow(0 0 2px rgba(255, 215, 0, 0.5));
}

@media (max-width: 700px) {
    .mailbox-container {
        width: min(94vw, 460px);
        height: min(82vh, 640px);
        border-radius: 24px;
    }

    .mailbox-container::before {
        inset: 8px;
        border-radius: 18px;
    }

    .mailbox-container::after {
        top: 72px;
        left: 18px;
        right: 18px;
    }

    .mailbox-header {
        padding: 20px 18px 14px 18px;
        gap: 2px;
    }

    .mailbox-title {
        font-size: 28px;
    }

    .mailbox-subtitle {
        font-size: 12px;
    }

    .mailbox-close-btn {
        top: 16px;
        right: 16px;
        width: 34px;
        height: 34px;
    }

    .mailbox-content {
        padding: 8px 14px 14px 14px;
        gap: 10px;
    }

    .message-item {
        border-radius: 16px;
        padding: 12px 12px;
    }

    .message-item::before {
        left: 10px;
        top: 10px;
        width: 7px;
        height: calc(100% - 20px);
    }

    .message-info {
        gap: 3px;
        padding-left: 8px;
        min-width: 0;
    }

    .message-title {
        font-size: 14px;
        line-height: 1.2;
    }

    .message-desc {
        font-size: 11px;
        line-height: 1.25;
    }

    .message-meta {
        font-size: 11px;
        line-height: 1.2;
    }

    .message-action-btn {
        font-size: 12px;
        padding: 7px 12px;
        min-width: 108px;
    }

    .message-item.claimed .message-action-btn {
        padding: 7px 18px;
    }
}