/* GLOBAL THEME - DARK PROFESSIONAL */
body {
    background: #141414;
    min-height: 100vh;
    color: #e5e5e5;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-attachment: fixed;
}

/* CARDS & MODALS */
.main-checker, .custom-modal, .card {
    background: #1f1f1f !important;
    border: 1px solid #333 !important;
    border-radius: 15px !important;
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    color: #e5e5e5;
    position: relative;
    overflow: hidden;
}

/* INPUTS & TEXT AREAS */
textarea.form-control {
    background: #2b2b2b !important;
    border: 1.5px solid #444 !important;
    color: #ffffff !important;
    border-radius: 15px !important;
    transition: all 0.2s ease;
    font-size: 13px;
    padding: 15px;
}
textarea.form-control:focus {
    border-color: #e50914 !important;
    background: #333333 !important;
    box-shadow: 0 0 0 0.2rem rgba(229, 9, 20, 0.15) !important;
    outline: none;
}
textarea.form-control::placeholder {
    color: #888 !important;
}

/* ALL BUTTONS - FULLY ROUNDED CORNERS */
.btn {
    border-radius: 50px !important;
    font-weight: 600;
    transition: all 0.3s ease;
}

/* PRIMARY BUTTONS */
.btn-primary, #startBulkBtn, #topDownloadBtn, #continueMobileBtn {
    background: #e50914 !important;
    border: none !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(229, 9, 20, 0.3) !important;
}
.btn-primary:hover, #startBulkBtn:hover, #topDownloadBtn:hover, #continueMobileBtn:hover {
    transform: translateY(-1px);
    background: #f40612 !important;
    box-shadow: 0 6px 15px rgba(229, 9, 20, 0.45) !important;
}

/* SECTION HEADERS */
.section-header {
    cursor: pointer;
    border-color: #333 !important;
    transition: opacity 0.2s;
    padding-bottom: 10px;
}
.section-header:hover {
    opacity: 0.7;
}

/* TEXT HELPERS */
.text-muted, .text-secondary {
    color: #888 !important;
}
.text-light {
    color: #e5e5e5 !important;
}

/* MODAL TWEAKS */
.border-dark {
    border-color: #333 !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, .spinner-border {
    border: 0.25em solid #333;
    border-right-color: #e50914 !important;
    border-radius: 50%;
    animation: spinner-border .75s linear infinite;
}
@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* MOBILE RESPONSIVENESS */
@media (max-width: 768px) {
    .container-fluid {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }
    .card-body {
        padding: 15px !important;
    }
    .d-flex.justify-content-between.gap-2 {
        flex-direction: column;
        gap: 10px !important;
    }
    .btn.w-100.mx-1 {
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 10px;
    }
}