/* ==========================================================================
   CENTRALIZED GLOBAL DESIGN SCHEME FOR ZERO-LOAD VIDEO SUITE (AD-OPTIMIZED)
   ========================================================================== */

/* --- 1. Homepage Dashboard Grid System --- */
.video-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.tool-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 26px;
    text-align: left;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    border-color: #4A90E2;
}

.tool-card h3 {
    margin: 0 0 12px 0;
    font-size: 18px;
    color: #1e293b;
    font-weight: 700;
}

.tool-card a {
    display: inline-block;
    color: #4A90E2;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
}

/* --- 2. Interactive Main Application Canvas Framework --- */
.video-ui-wrapper {
    background: #ffffff;
    border: 2px dashed #4A90E2;
    padding: 45px 35px;
    border-radius: 20px;
    max-width: 680px;
    margin: 40px auto;
    text-align: center;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
}

.video-ui-wrapper h3 {
    margin: 0 0 8px 0;
    color: #0f172a;
    font-size: 24px;
    font-weight: 700;
}

.video-ui-wrapper p {
    font-size: 14px;
    color: #64748b;
    margin: 0 0 25px 0;
    line-height: 1.5;
}

/* --- 3. Reactive File Drag & Drop Targets --- */
.file-drop-zone {
    background: #f8fafc;
    border: 2px dashed #cbd5e1;
    padding: 45px 20px;
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.file-drop-zone:hover {
    border-color: #4A90E2;
    background-color: #f0f7ff;
}

.file-drop-zone span {
    color: #4A90E2;
    font-weight: 700;
}

/* --- 4. High-Impact Call-To-Action Layout Buttons --- */
.video-main-action-btn {
    background: #4A90E2;
    color: #ffffff;
    border: none;
    padding: 15px 30px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    width: 100%;
    margin-top: 20px;
    cursor: pointer;
    box-shadow: 0 4px 6px -1px rgba(74, 144, 226, 0.25);
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.video-main-action-btn:hover:not(:disabled) {
    background: #2563eb;
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
}

.video-main-action-btn:disabled {
    background: #e2e8f0;
    color: #94a3b8;
    cursor: not-allowed;
    box-shadow: none;
}

/* --- 5. Google AdSense Strategic Layout Grid Enclosures --- */
.adsense-placeholder {
    width: 100%;
    min-height: 120px;
    background: #f1f5f9;
    margin: 35px 0;
    border: 1px dashed #cbd5e1;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-family: monospace;
    font-size: 11px;
    font-weight: bold;
    letter-spacing: 1px;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.02);
    padding: 10px;
    box-sizing: border-box;
}