body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}
nav {
    background: #1976d2;
    padding: 12px 0;
    text-align: center;
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.08);
}
nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 18px;
    font-weight: 600;
    letter-spacing: 0.5px;
    font-size: 1.08em;
    transition: color 0.2s, border-bottom 0.2s;
    border-bottom: 2px solid transparent;
    padding-bottom: 2px;
}
nav a:hover {
    color: #ffeb3b;
    border-bottom: 2px solid #ffeb3b;
}
.container, .card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 4px 24px rgba(25, 118, 210, 0.08), 0 1.5px 4px rgba(0,0,0,0.04);
    padding: 24px 28px;
    margin: 24px auto;
    max-width: 700px;
}
.card {
    margin-bottom: 18px;
    padding: 18px 22px;
}
h1, h2, h3 {
    color: #1976d2;
    font-weight: 700;
    margin-top: 0;
}
form {
    margin-bottom: 18px;
    background: #f5faff;
    padding: 18px 20px;
    border-radius: 10px;
    box-shadow: 0 1.5px 6px rgba(25, 118, 210, 0.04);
}
button, .btn {
    background: linear-gradient(90deg, #1976d2 60%, #64b5f6 100%);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 10px 22px;
    font-size: 1.08em;
    cursor: pointer;
    margin-top: 10px;
    margin-right: 8px;
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.08);
}
button[disabled], .btn[disabled] {
    background: #b0bec5;
    cursor: not-allowed;
    box-shadow: none;
}
button:hover:not([disabled]), .btn:hover:not([disabled]) {
    background: linear-gradient(90deg, #1565c0 60%, #1976d2 100%);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 4px 16px rgba(25, 118, 210, 0.13);
}
.btn-delete {
    background: linear-gradient(90deg, #d32f2f 60%, #ff5252 100%);
    color: #fff;
    margin-left: 8px;
}
.btn-delete:hover {
    background: linear-gradient(90deg, #b71c1c 60%, #d32f2f 100%);
}
input, select, textarea {
    border: 1.5px solid #b0bec5;
    border-radius: 6px;
    padding: 8px 12px;
    margin-bottom: 10px;
    width: 100%;
    box-sizing: border-box;
    font-size: 1.05em;
    background: #fafdff;
    transition: border 0.2s;
}
input:focus, select:focus, textarea:focus {
    border: 1.5px solid #1976d2;
    outline: none;
    background: #e3f2fd;
}
ul {
    list-style: none;
    padding-left: 0;
}
li {
    margin-bottom: 7px;
    font-size: 1.04em;
}
hr {
    border: none;
    border-top: 1.5px solid #e0e0e0;
    margin: 28px 0;
}
#doc-progress, #photo-progress, #video-progress {
    border-radius: 6px;
    overflow: hidden;
    height: 20px;
    margin-bottom: 7px;
}
#doc-bar {
    background: linear-gradient(90deg, #4caf50, #81c784);
    height: 100%;
    transition: width 0.2s;
}
#photo-bar {
    background: linear-gradient(90deg, #2196f3, #64b5f6);
    height: 100%;
    transition: width 0.2s;
}
#video-bar {
    background: linear-gradient(90deg, #f44336, #e57373);
    height: 100%;
    transition: width 0.2s;
}
#doc-status, #photo-status, #video-status {
    font-size: 1em;
    margin: 7px 0 12px 0;
    min-height: 20px;
}
#doc-status.success, #photo-status.success, #video-status.success {
    color: #388e3c;
}
#doc-status.error, #photo-status.error, #video-status.error {
    color: #d32f2f;
}
@media (max-width: 800px) {
    .container, .card {
        padding: 12px 6px;
        max-width: 98vw;
    }
    form {
        padding: 10px 4px;
    }
}
@media (max-width: 600px) {
    nav a {
        margin: 0 4px;
        font-size: 0.97em;
    }
    h1, h2, h3 {
        font-size: 1.08em;
    }
    .container, .card {
        padding: 6px 2px;
    }
}
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
}
.toast {
    min-width: 220px;
    max-width: 350px;
    background: #323232;
    color: #fff;
    padding: 14px 24px;
    border-radius: 8px;
    margin-bottom: 14px;
    font-size: 1.05em;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    opacity: 0.97;
    transition: opacity 0.5s, transform 0.5s;
    transform: translateY(0);
}
.toast.hide {
    opacity: 0;
    transform: translateY(-30px);
}
.toast.info { background: #1976d2; }
.toast.success { background: #388e3c; }
.toast.warning { background: #ffa000; }
.toast.error { background: #d32f2f; }