:root {
    /* Layers */
    --z-alert-overlay: 10000;
    --z-alert-box: 10001;

    /* Colors: Primary (Blue) */
    --color-primary: #3C9ADC;
    --color-primary-dark: #3178aa;

    /* Colors: Danger (Red) */
    --color-danger: #f44336;
    --color-danger-dark: #d32f2f;

    /* Colors: Warning (Orange) */
    --color-warning: #ff9800;
    
    /* Colors: Neutral/Gray */
    --color-secondary: #757575;
    --btn-gray-bg: #e0e0e0;
    --btn-gray-hover: #d5d5d5;
    --btn-gray-text: #333333;

    /* Colors: Backgrounds & Text */
    --bg-overlay: rgba(0, 0, 0, 0.5);
    --bg-white: #ffffff;
    --text-main: #444444;
    --text-white: #ffffff;

    /* UI Elements */
    --shadow-box: rgba(0, 0, 0, 0.25);
    --scrollbar-track: #f1f1f1;
}

/* ===========================
   1. АНІМАЦІЇ
   =========================== */
@keyframes fadeInOverlay {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleInBox {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* ===========================
   2. ФОН 
   =========================== */
.custom-alert-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    z-index: var(--z-alert-overlay);
    justify-content: center;
    align-items: center;
    animation: fadeInOverlay 0.2s ease-out;
}

/* ===========================
   3. ВІКНО 
   =========================== */
.custom-alert-box {
    background: var(--bg-white);
    width: 90%;
    max-width: 450px; 
    border-radius: 8px;
    box-shadow: 0 4px 20px var(--shadow-box);
    overflow: hidden;
    position: relative;
    z-index: var(--z-alert-box);
    display: flex;
    flex-direction: column;
    animation: scaleInBox 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ===========================
   4. ЗАГОЛОВОК
   =========================== */
.custom-alert-header {
    background-color: var(--color-primary);
    color: var(--text-white);
    padding: 12px 20px;
    font-size: 16px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Варіанти заголовків */
.custom-alert-header.type-success {
    background-color: var(--color-primary);
}
.custom-alert-header.type-error {
    background-color: var(--color-danger);
}
.custom-alert-header.type-warning {
    background-color: var(--color-warning);
    color: var(--text-white);
}

.alert-close {
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.2s;
}
.alert-close:hover { opacity: 1; }

/* ===========================
   5.(BODY)
   =========================== */
.custom-alert-body {
    padding: 25px 20px;
    color: var(--text-main);
    font-size: 15px;
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    overflow: hidden; 
}

/* Іконка */
.alert-icon-area {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-icon-area img, 
.alert-icon-area svg {
    width: 40px;
    height: 40px;
    display: block;
}

/* Текстова область */
.alert-content-area {
    flex-grow: 1;
    word-wrap: break-word;
    align-self: center;
}

/* ===========================
   6. СКРОЛ-КОНТЕЙНЕР (Для списків)
   =========================== */
.alert-scroll-container {
    text-align: left;
    max-height: 300px;
    overflow-y: auto;
    font-size: 14px;
    padding-right: 5px;
    
    /* Firefox */
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) var(--scrollbar-track);
    
    scrollbar-gutter: stable;
}

.alert-scroll-container div {
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

/* Scrollbar (Chrome/Safari/Edge) */
.alert-scroll-container::-webkit-scrollbar {
    width: 6px;
}
.alert-scroll-container::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 3px;
}
.alert-scroll-container::-webkit-scrollbar-thumb {
    background-color: var(--color-primary);
    border-radius: 3px;
}
.alert-scroll-container::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-primary-dark);
}

/* ===========================
   7. ФУТЕР (КНОПКИ)
   =========================== */
.custom-alert-footer {
    padding: 0 20px 20px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.custom-alert-footer button {
    border: none;
    padding: 8px 24px;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s;
    outline: none;
    font-weight: 500;
}

/* Кнопка OK */
.btn-alert-ok {
    background-color: var(--color-primary);
    color: var(--text-white);
}
.btn-alert-ok:hover {
    background-color: var(--color-primary-dark);
}

/* Кнопка Cancel */
.btn-alert-cancel {
    background-color: var(--color-danger);
    color: var(--text-white);
}
.btn-alert-cancel:hover {
    background-color: var(--color-danger-dark);
}

/* Кнопка Сіра */
.btn-alert-gray {
    background-color: var(--btn-gray-bg);
    color: var(--btn-gray-text);
}
.btn-alert-gray:hover {
    background-color: var(--btn-gray-hover);
}

.alert-sub-text {
    padding: 0 20px 15px; 
    text-align: center;   
    font-size: 16px;      
    font-weight: bold;   
    color: var(--color-primary); 
    width: 100%;        
    box-sizing: border-box;
}

/* ===========================
   8.АДАПТИВНІСТЬ
   =========================== */
@media (min-width: 768px) {
    .custom-alert-box {
        width: fit-content;
        min-width: 450px;
        max-width: 80vw; 
    }

    .alert-scroll-container div, 
    .alert-content-area p {
        white-space: nowrap;
        max-width: none; 
    }

    .alert-scroll-container {
        max-height: 60vh; 
    }
}

@media (max-width: 480px) {
    .custom-alert-box {
        width: 95%; 
        max-width: none;
    }
    
    .custom-alert-body {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .alert-content-area {
        margin-top: 10px;
    }
    
    .custom-alert-footer {
        justify-content: center;
    }
}