body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f5f5f5;
    color: #202124;
}

header {
    background: #1a73e8;
    color: #fff;
    padding: 10px 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header a {
    color: #fff;
    text-decoration: none;
    margin-left: 15px;
}

.container {
    width: 95%;
    max-width: 1100px;
    margin: 0 auto;
}

main {
    padding: 20px 0 40px;
}

.hero {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
}

.tool-card {
    background: #fff;
    padding: 15px;
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.tool-form {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
}

.tool-form input,
.tool-form textarea,
.tool-form button {
    display: block;
    width: 100%;
    margin-bottom: 12px;
    padding: 8px;
    font-size: 14px;
}

.tool-form button,
.btn {
    background: #1a73e8;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.tool-form button:hover,
.btn:hover {
    opacity: 0.9;
}

.flash-container {
    margin-bottom: 15px;
}

.flash {
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 5px;
    font-size: 14px;
}

.flash.error {
    background: #fce8e6;
    color: #c5221f;
}

.flash.success {
    background: #e6f4ea;
    color: #137333;
}

.result {
    margin-top: 15px;
    background: #fff;
    padding: 15px;
    border-radius: 10px;
}

footer {
    background: #202124;
    color: #fff;
    padding: 15px 0;
    font-size: 13px;
    margin-top: 20px;
}

.pdf-image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.pdf-image-card {
    background: #fff;
    padding: 12px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.pdf-image-card img {
    width: 100%;
    border-radius: 6px;
    margin-bottom: 10px;
}

textarea {
    width: 100%;
    padding: 10px;
    font-size: 15px;
    font-family: inherit;
    border-radius: 6px;
    resize: vertical;
}

.password-box {
    background: #f1f3f4;
    padding: 12px;
    font-size: 20px;
    margin-bottom: 10px;
    border-radius: 6px;
    text-align: center;
    word-break: break-all;
    font-family: monospace;
}

.result img {
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.result img {
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.result ul {
    list-style: none;
    padding: 0;
}

.result li {
    margin-bottom: 8px;
}

.upload-status {
    padding: 10px 15px;
    border-radius: 6px;
    margin-bottom: 12px;
    font-weight: bold;
    display: none;
    transition: all 0.3s ease-in-out;
}

.upload-status.red {
    background: #ffdddd;
    border-left: 4px solid #ff4444;
    color: #b30000;
}

.upload-status.green {
    background: #ddffdd;
    border-left: 4px solid #22bb33;
    color: #0a7a22;
}

/* --- Audio Converter Premium UI --- */
.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.text-gradient {
    background: linear-gradient(45deg, #6a11cb, #2575fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-gradient {
    background: linear-gradient(45deg, #6a11cb, #2575fc);
    border: none;
    color: white;
    transition: transform 0.2s;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 117, 252, 0.4);
}

/* Drag & Drop */
.drop-zone {
    width: 100%;
    height: 150px;
    padding: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-family: "Quicksand", sans-serif;
    font-weight: 500;
    font-size: 1.1rem;
    cursor: pointer;
    color: #cccccc;
    border: 3px dashed #6a11cb;
    border-radius: 15px;
    background-color: #f8f9fa;
    transition: all 0.3s;
}

.drop-zone--over {
    border-style: solid;
    background-color: #e9ecef;
    transform: scale(1.02);
}

.drop-zone__input {
    display: none;
}

.drop-zone__thumb {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    overflow: hidden;
    background-color: #cccccc;
    background-size: cover;
    position: relative;
}

.drop-zone--uploaded {
    border-color: #28a745;
    background-color: #e8f5e9;
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ================================
   FIX: CENTRADO + DROPZONE AJUSTADA
   ================================ */

/* Centrar el card y limitar ancho */
.container .glass-card {
    margin: 0 auto;
    max-width: 600px;
    width: 100%;
}

/* Ajustar drop-zone al ancho del card SIEMPRE */
.drop-zone {
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
    padding: 25px;
}

/* Evitar que se deforme o estire */
.drop-zone__thumb,
.drop-zone--uploaded {
    max-width: 100%;
}

/* El texto del archivo seleccionado centrado y sin romper layout */
#file-info {
    word-break: break-word;
    max-width: 100%;
}

/* Mejor alineación general de inputs y selects */
.form-select,
.form-control {
    width: 100%;
    max-width: 100%;
}

/* Evitar que columnas se rompan en pantallas chicas */
@media (max-width: 480px) {
    .row > div {
        margin-bottom: 15px;
    }
}

/* BOTÓN GOOGLE APPS */
.apps-btn {
    font-size: 28px;
    cursor: pointer;
    padding: 8px;
    border-radius: 10px;
    background: rgba(255,255,255,0.18);
    transition: 0.2s ease;
}

.apps-btn:hover {
    background: rgba(255,255,255,0.32);
}

/* PANEL GOOGLE APPS */
.apps-panel {
    position: absolute;
    right: 20px;
    top: 80px;
    background: #fff;
    border-radius: 16px;
    padding: 20px;
    width: 330px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    box-shadow: 0 12px 35px rgba(0,0,0,0.18);
    transform: scale(0.8);
    opacity: 0;
    pointer-events: none;
    transition: 0.25s ease;
    z-index: 2000;
}

/* ITEM DEL GRID */
.app-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 14px;
    border-radius: 12px;
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    gap: 6px;
    transition: 0.2s ease;
}

.app-item i {
    font-size: 28px;
}

.app-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

/* ANIMACIÓN PANEL */
.apps-panel.active {
    transform: scale(1);
    opacity: 1;
    pointer-events: auto;
}

/* Colores (ya usados antes) */
.blue-word     { background: linear-gradient(135deg, #2a59d1, #467ff5); }
.red-pdf       { background: linear-gradient(135deg, #cc171a, #f43c3f); }
.green-excel   { background: linear-gradient(135deg, #0a7d42, #12b76a); }
.orange-video  { background: linear-gradient(135deg, #e0761b, #ff9b42); }
.yellow-qr     { background: linear-gradient(135deg, #dfb100, #f9d44f); color:#333; }
.cyan-image    { background: linear-gradient(135deg, #17a1cc, #3cc5eb); }
.purple-audio  { background: linear-gradient(135deg, #7d1fc1, #b66bff); }
.gray-tools    { background: linear-gradient(135deg, #555, #777); }

/* TITULO DEL MENU */
.apps-title {
    grid-column: span 3;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
    padding: 6px 0 10px 2px;
    color: #333;
}

/* PANEL GOOGLE APPS MEJORADO */
.apps-panel {
    position: absolute;
    right: 20px;
    top: 80px;
    background: #fff;
    border-radius: 16px;
    padding: 20px;
    width: 330px;
    max-height: 500px;       /* AUMENTADO */
    overflow-y: auto;        /* SCROLL INTERNO */
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    box-shadow: 0 12px 35px rgba(0,0,0,0.18);
    transform: scale(0.8);
    opacity: 0;
    pointer-events: none;
    transition: 0.25s ease;
    z-index: 2000;
}

/* Barra de scroll suave */
.apps-panel::-webkit-scrollbar {
    width: 6px;
}

.apps-panel::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 6px;
}

/* Mantiene colores y hover */
.app-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.start-btn a {
    font-size: 26px;
    color: white;
    margin-right: 12px;
}

.menu-button {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.18);
    padding: 8px 14px;
    border-radius: 10px;
    cursor: pointer;
    color: white;
    font-size: 15px;
    font-weight: 500;
    transition: 0.2s ease;
    user-select: none;
}

.menu-button:hover {
    background: rgba(255,255,255,0.30);
}

.menu-button a {
    text-decoration: none;
    color: white;
    display: flex;
    gap: 6px;
    align-items: center;
    font-size: 15px;
    font-weight: 500;
}

.apps-btn i,
.start-btn i {
    font-size: 20px;
}