* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: #f7fafd;
    color: #222;
    min-height: 100vh;
}

.navbar {
    background: #035B95;
    color: #fff;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.08);
}

.nav-brand {
    font-size: 1.7rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a, .nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
}

.nav-links a:hover, .nav-link:hover {
    background: rgba(255,255,255,0.13);
    color: #e3e3e3;
}

.btn-link {
    background: none;
    border: none;
    color: inherit;
    font: inherit;
    cursor: pointer;
    padding: 0.3rem 0.7rem;
}

/*upload page */
.upload-container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.upload-card {
    background: linear-gradient(135deg, #e3f0fd 0%, #f7fafd 100%);
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(26, 115, 232, 0.10);
    border: 2px solid #b6d0f7;
    display: flex;
    min-height: 500px;
    overflow: hidden;
    transition: box-shadow 0.3s;
}

.upload-card:hover {
    box-shadow: 0 8px 32px rgba(26, 115, 232, 0.18);
}

.upload-section {
    flex: 1;
    padding: 3rem;
    display: flex;
    flex-direction: column;
}

.upload-section h1 {
    color: #1a73e8;
    margin-bottom: 0.5rem;
}

.upload-description {
    color: #666;
    margin-bottom: 2rem;
}

.dropzone {
    border: 2px dashed #1a73e8;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    background: #f7fafd;
    margin-bottom: 1.5rem;
    transition: border-color 0.3s, background 0.3s;
    cursor: pointer;
}

.dropzone.drag-over {
    border-color: #1557b0;
    background: #e3f0fd;
}

/*resultspage */
.results-container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.results-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

.results-header {
    text-align: center;
    margin-bottom: 2rem;
}

.results-header h1 {
    color: #1a73e8;
    margin-bottom: 0.5rem;
}

.results-header p {
    color: #666;
}

.results-grid {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.metric-card, .risk-card {
    flex: 1 1 250px;
    min-width: 220px;
    margin-bottom: 0;
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.07);
}

.metric-card h3 {
    color: #1a73e8;
    margin-bottom: 1rem;
}

.metric-value, .risk-value {
    font-size: 2rem;
    font-weight: bold;
    color: #1a73e8;
    margin-bottom: 0.5rem;
}

.metric-status {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.metric-status.good {
    background-color: #53d872;
    color: #155724;
}

.metric-status.warning {
    background-color: #fff3cd;
    color: #856404;
}

.metric-status.danger {
    background-color: #f8d7da;
    color: #721c24;
}

.risk-card {
    background: linear-gradient(135deg, #1a73e8, #289cf5);
    color: #fff;
}

.risk-card h3 {
    color: white;
}

.risk-level {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.risk-message {
    font-size: 0.9rem;
    opacity: 0.9;
}

.risk-card.low {
    background: linear-gradient(135deg, #28a745, #5cd490);
    color: #fff;
}

.risk-card.medium {
    background: linear-gradient(135deg, #ffc107, #fbc740);
    color: #222;
}

.risk-card.high {
    background: linear-gradient(135deg, #dc3545, #f37f7f);
    color: #fff;
}

.mould-index {
    font-size: 1.1rem;
    color: #fff;
    background: rgba(255,255,255,0.13);
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    margin: 0.5rem 0;
}

.browse-button, .calculate-button {
    background: linear-gradient(90deg, #1a73e8 0%, #289cf5 100%);
    color: #d98080 !important;
    border: none;
    border-radius: 2rem;
    padding: 0.75rem 2rem;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 16px rgba(26, 115, 232, 0.10);
    transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
    outline: none;
    margin-bottom: 0.5rem;
}

.browse-button:hover, .calculate-button:hover {
    background: linear-gradient(90deg, #1557b0 0%, #1a73e8 100%);
    color: #c1e66d !important;
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 24px rgba(26, 115, 232, 0.18);
}

.calculate-button {
    width: 100%;
    font-size: 1rem;
    margin-top: 1rem;
}

.calculate-button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.print-button, .new-analysis-button {
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.print-button {
    background-color: white;
    color: #1a73e8;
    border: 2px solid #1a73e8;
}

.new-analysis-button {
    background-color: #1a73e8;
    color: white;
    border: none;
    text-decoration: none;
    display: inline-block;
}

.print-button:hover {
    background-color: #1a73e8;
    color: white;
}

.new-analysis-button:hover {
    background-color: #1557b0;
}

.upload-message {
    margin-top: 1rem;
    padding: 0.8rem;
    border-radius: 8px;
    display: none;
    font-size: 1rem;
}

.upload-message.error {
    background: #fde8e8;
    color: #c81e1e;
    border: 1px solid #fecaca;
    display: block;
}

.upload-message.success {
    background: #def7ec;
    color: #03543f;
    border: 1px solid #bcf0da;
    display: block;
}

@media (max-width: 900px) {
    .upload-card {
        flex-direction: column;
        min-height: auto;
    }

    .image-section {
        height: 200px;
    }

    .upload-section {
        padding: 2rem;
    }

    .results-grid {
        flex-direction: column;
        gap: 1rem;
    }

    .action-buttons {
        flex-direction: column;
    }
}

@media (max-width: 500px) {
    .navbar, .footer {
        padding: 1rem;
        border-radius: 0;
    }

    .nav-links a {
        margin-left: 1rem;
    }

    .upload-container, .results-container {
        margin: 1rem auto;
    }

    .upload-section {
        padding: 1.5rem;
    }
}


.main-content {
    max-width: 900px;
    margin: 2rem auto;
    padding: 2rem;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(26, 115, 232, 0.07);
    min-height: 60vh;
}




.logo {
    height: 32px;
    vertical-align: middle;
    margin-right: 0.5rem;
}

/* responsive links on small screens */
@media (max-width: 700px) {
    .nav-links {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-end;
    }
    .main-content {
        padding: 1rem;
    }
}

.btn-morph.btn-warning {
    background: linear-gradient(90deg, #ffc107 0%, #fbc740 100%);
    color: #222 !important;
}
.btn-morph.btn-warning:hover, .btn-morph.btn-warning:focus {
    background: linear-gradient(90deg, #e0a800 0%, #ffc107 100%);
    color: #222 !important;
}

/* result page   */
.btn-morph.big-btn {
    font-size: 1.3rem;
    padding: 1rem 2.5rem;
    border-radius: 2.5rem;
}

/*  result Page colour-coding */
.risk-card .card-body {
    border-radius: 16px;
    padding: 2rem 1rem;
    transition: background 0.3s;
}
.risk-card.low .card-body {
    background: linear-gradient(135deg, #1a73e8 0%, #289cf5 100%);
    color: #fff;
}
.risk-card.medium .card-body {
    background: linear-gradient(135deg, #ffc107 0%, #fbc740 100%);
    color: #222;
}
.risk-card.high .card-body {
    background: linear-gradient(135deg, #dc3545 0%, #f37f7f 100%);
    color: #fff;
}
.risk-card .display-6, .risk-card .card-title, .risk-card .badge, .risk-card .small {
    color: inherit !important;
}

.btn-morph-login {
    background: linear-gradient(90deg, #00b894 0%, #00cec9 100%);
    color: #fff !important;
    border: none;
    border-radius: 2rem;
    padding: 0.75rem 2rem;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 16px rgba(0, 190, 148, 0.10);
    transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
    outline: none;
}
.btn-morph-login:hover, .btn-morph-login:focus {
    background: linear-gradient(90deg, #00997a 0%, #00b894 100%);
    color: #fff !important;
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 24px rgba(0, 190, 148, 0.18);
}

/* aboutpage*/
.lead {
    font-size: 1.15rem;
    color: #6c757d;
  }
  
  .image-zoom {
    transition: transform 0.3s ease;
  }
  
  .image-zoom:hover {
    transform: scale(1.05);
  }
  
  .btn-outline-primary {
    border-radius: 8px;
    padding: 0.6rem 1.5rem;
  }
  
  h2 i {
    vertical-align: middle;
  }