/* GLOBAL THEME - LIGHT GREY GRADIENT */
body {
    background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
    min-height: 100vh;
    color: #495057;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-attachment: fixed;
}

/* FLOATING TELEGRAM BUTTON */
.tg-btn-float {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #0088cc;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.4);
    z-index: 9999;
    transition: transform 0.2s ease;
}
.tg-btn-float:hover {
    transform: scale(1.1);
    color: white;
    text-decoration: none;
}

/* CARDS & MODALS */
.main-checker, .custom-modal {
    background: #ffffff !important;
    border: 1px solid #e9ecef !important;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    color: #333333;
    position: relative; /* Required for the absolute overlay loader */
    overflow: hidden;
}

/* INPUTS */
textarea.form-control {
    background: #f8f9fa !important;
    border: 2px solid #e9ecef !important;
    color: #495057 !important;
    border-radius: 10px;
    transition: all 0.2s ease;
    font-size: 13px;
}
textarea.form-control:focus {
    border-color: #007bff !important;
    background: #ffffff !important;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.15) !important;
}
textarea.form-control::placeholder {
    color: #adb5bd !important;
}

/* BUTTONS */
.btn-primary {
    border-radius: 10px;
    background: #007bff;
    border: none;
    box-shadow: 0 4px 10px rgba(0,123,255,0.25);
    font-weight: 600;
    transition: all 0.3s ease;
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(0,123,255,0.35);
}

/* SECTION HEADERS */
.section-header {
    cursor: pointer;
    border-color: #dee2e6 !important;
    transition: opacity 0.2s;
}
.section-header:hover {
    opacity: 0.7;
}

/* TEXT HELPERS */
.text-muted {
    color: #6c757d !important;
}

/* RESULTS SECTIONS */
.results-list {
    max-height: 500px;
    overflow-y: auto;
}

/* MODAL TWEAKS */
.border-dark {
    border-color: #dee2e6 !important;
}
.text-light {
    color: #495057 !important;
}

/* ANIMATION */
.fade-in {
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* SPINNER */
.big-spinner {
    width: 3rem;
    height: 3rem;
    border: 0.25em solid #e9ecef;
    border-right-color: #007bff;
    border-radius: 50%;
    animation: spinner-border .75s linear infinite;
}
@keyframes spinner-border {
    to { transform: rotate(360deg); }
}