/* =========== Default (ALL PAGES) =========== */
*, *:before, *:after {
    padding: 0;
    margin: 0;
    border: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: Arial, Helvetica, sans-serif;
}

body.lock { overflow: hidden; }

main { padding-top: var(--height-nav-PC); }

.container_page {
    max-width: 100%;
    margin: 0 auto;
    padding: 25px;
    background-color: var(--content-color);
}

/* W3C standard (only Firefox) */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-bar) var(--nav-color);
}
  
/* For Chrome/Edge/Safari */
*::-webkit-scrollbar {
    height: 0px;
    width: 10px;
}
*::-webkit-scrollbar-track { background: var(--nav-color); }
*::-webkit-scrollbar-thumb {
    background-color: var(--color-bar);
    border-radius: 5px;
}

@media (max-width: 767px) {
    *::-webkit-scrollbar { width: 3px; }
    main { padding-top: var(--height-nav-MOB); }
}










:root {
    /* Высота навигации */
    --height-nav-PC: 80px;
    --height-nav-MOB: 60px;

    /* Scroll bar */
    --color-bar: rgb(0, 0, 0);

    /* Навигация */
    --nav-color: #1c4283;
    --nav-text-color: rgb(255, 255, 255);
    --nav-hover-text-color: rgb(255, 255, 255);
    --nav-link-line-color: rgb(255, 255, 255);
    /* Бургер/Крестик на мобильной версии */
    --close-burger-menu: rgb(255, 255, 255);

    /* Основной блок */
    --content-color: rgb(0, 31, 84);
    --content-text-color: rgb(255, 255, 255);
    
    /* Футер */
    --footer-color: rgb(1, 11, 27);
    --footer-sector-color: rgb(8, 18, 28);
    --link-footer-color:  rgb(255, 255, 255);
    --link-footer-hover-color: rgb(126, 107, 107);  
}










/* ---- COMMON FORM GROUP INPUT FIELD ---- */
.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 18px;
}

.form-group label {
    font-size: 14px;
    margin-bottom: 5px;
    color: #545454;
}

.form-group input,
.form-group textarea {
    padding: 10px 12px;
    border: 1px solid #dcdde1;
    border-radius: 8px;
    font-size: 14px;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: auto;
    border-color: #000000;
    box-shadow: 0px 0px 2px 5px rgba(64,115,158,0.15);
}

.form-group textarea { resize: none; }

.char_counter {
    text-align: right;
    font-size: 12px;
    color: #7f8c8d;
    margin-top: 10px;
    user-select: none;
}

.char_counter.max_length {
    color: #e84118;
    font-weight: 600;
}










/* ---- COMMON BUTTONS ---- */
/* COMMON */
.btn {
    display: inline-flex;
    border: none;
    cursor: pointer;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 13px;
    transition: all 0.2s;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

/* BASE ACTION */
.btn-primary {
    background: #40739e;
    color: white;
}
.btn-primary:hover { background: #305d7a; }

/* SECONDARY ACTION */
.btn-secondary {
    background: #95a5a6;
    color: white;
}
.btn-secondary:hover { background: #7f8c8d; }

/* DANGER ACTION */
.btn-danger {
    background: #e84118;
    color: white;
}
.btn-danger:hover { background: #c23616; }

/* OTHER ACTION */
.btn-soft {
    background: #27ae60;
    color: white;
}
.btn-soft:hover { background: #219a52; }

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}










/* ---- LEFT NAVIGATION FOR SECTIONS ---- */
.aside_nav {
    position: sticky;
    height: fit-content;
}

.aside_nav_menu {
    list-style: none;
    padding: 0;
    margin: 0;
    background: white;
    border-radius: 12px;
    overflow: hidden;
}

.aside_menu_item {
    padding: 14px 20px;
    cursor: pointer;
    font-size: 14px;
    color: #333;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.aside_menu_item:hover {
    background: #f8f9fa;
    color: #40739e;
}

.aside_menu_item.active {
    background: #e8f4fd;
    color: #2980b9;
    border-left-color: #2980b9;
    font-weight: 500;
}