:root {
    /* Richer Color Palette */
    --primary: #f8c8dc;       /* Pastel Pink */
    --primary-dark: #e8a0ba;  /* Deeper Pink */
    --lavender: #dcd0ff;      /* Soft Lavender */
    --teal: #a3e4d7;          /* Soft Teal */
    --teal-dark: #76d7c4;     
    --peach: #ffdab9;         /* Warm Peach */
    --peach-dark: #ffbba7;
    
    --white: #ffffff;
    --grey-bg: #fdfbfb;
    --text-dark: #34495e;
    --text-light: #7f8c8d;
    
    /* Semantic Colors */
    --danger-soft: #ffebee;
    --danger-text: #e74c3c;
    --success-soft: #e8f8f5;
    --success-text: #1abc9c;
    --warning-soft: #fef5e7;
    --warning-text: #e67e22;

    /* Aesthetics */
    --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 15px 40px rgba(216, 186, 255, 0.25);
    --shadow-inner: inset 0 2px 4px rgba(0,0,0,0.02);
    --radius: 20px;
    --radius-sm: 12px;
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* Gradients */
    --grad-bg: linear-gradient(135deg, #fdfbfb 0%, #f6f0f9 100%);
    --grad-btn: linear-gradient(135deg, var(--primary) 0%, var(--peach) 100%);
    --grad-btn-hover: linear-gradient(135deg, var(--primary-dark) 0%, var(--peach-dark) 100%);
    --grad-teal: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: var(--grad-bg);
    color: var(--text-dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Navbar */
.top-nav {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    padding: 1rem 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    display: flex;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo { height: 45px; width: auto; transition: var(--transition); }
.logo:hover { transform: scale(1.05) rotate(2deg); }
.app-title { font-weight: 700; font-size: 1.5rem; background: linear-gradient(to right, var(--primary-dark), var(--lavender)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; letter-spacing: 0.5px;}

/* Containers & Cards */
.container {
    max-width: 900px;
    margin: 3rem auto;
    padding: 0 1.5rem;
    flex: 1;
    width: 100%;
}

.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(220, 208, 255, 0.3); /* Soft lavender border */
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

/* Add a subtle top highlight to cards */
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(to right, var(--primary), var(--lavender), var(--peach));
    opacity: 0.7;
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.login-card { max-width: 450px; margin: 0 auto; }
.info-card { padding: 3rem; }

.header-text { text-align: center; margin-bottom: 2.5rem; }
h2 { font-weight: 600; color: var(--text-dark); font-size: 1.8rem; margin-bottom: 0.5rem; }
h3 { font-weight: 500; font-size: 1.2rem; color: var(--primary-dark); margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.5rem;}
h3 i { color: var(--lavender); }
p { color: var(--text-light); }

/* Custom Inputs - Non-generic */
.input-container {
    position: relative;
    margin-bottom: 1.8rem;
}

.input-container .icon {
    position: absolute;
    left: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-dark);
    font-size: 1.1rem;
    z-index: 2;
}

.modern-input {
    width: 100%;
    padding: 1.2rem 1.2rem 1.2rem 3.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    background: #f9f6fa; /* very soft purple tint */
    box-shadow: var(--shadow-inner);
    transition: var(--transition);
    color: var(--text-dark);
}

.input-group label {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.6rem;
    color: var(--text-dark);
}

.modern-input:focus {
    outline: none;
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(220, 208, 255, 0.4); /* lavender glow */
}

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }

/* Interactive Chips */
.chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.chip {
    padding: 0.7rem 1.4rem;
    border: none;
    border-radius: 30px;
    background: #f9f6fa;
    color: var(--text-light);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

.chip:hover { 
    background: var(--lavender); 
    color: var(--text-dark); 
    transform: translateY(-2px);
}

.chip.active {
    background: var(--grad-teal);
    color: var(--white);
    box-shadow: 0 6px 15px rgba(163, 228, 215, 0.4);
    transform: translateY(-2px);
}

/* Sliders */
.styled-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #f0e6f5;
    outline: none;
    margin: 1rem 0;
}
.styled-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--peach);
    cursor: pointer;
    box-shadow: 0 3px 8px rgba(255, 218, 185, 0.6);
    transition: transform 0.2s;
    border: 3px solid var(--white);
}
.styled-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.range-labels { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--text-light); font-weight: 500;}

/* Drag & Drop Upload */
.drag-drop-area {
    border: 2px dashed var(--lavender);
    border-radius: var(--radius);
    padding: 3.5rem 2rem;
    text-align: center;
    background: #faf8fc;
    cursor: pointer;
    transition: var(--transition);
}

.drag-drop-area:hover, .drag-drop-area.dragover {
    background: var(--white);
    border-color: var(--primary-dark);
    box-shadow: 0 10px 25px rgba(220, 208, 255, 0.3);
    transform: scale(1.02);
}

.drag-drop-area i { font-size: 3rem; color: var(--lavender); margin-bottom: 1rem; transition: color 0.3s; }
.drag-drop-area:hover i { color: var(--primary-dark); }
.hidden-input { display: none; }
.file-name { margin-top: 0.8rem; font-size: 0.95rem; font-weight: 500; color: var(--teal-dark); text-align: center;}

/* Buttons - Elegant & Prominent */
button {
    font-family: 'Poppins', sans-serif;
    font-size: 1.05rem;
    font-weight: 500;
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
}

.btn-primary { 
    background: var(--grad-btn); 
    color: var(--white); 
    box-shadow: 0 6px 20px rgba(248, 200, 220, 0.4); 
}
.btn-primary:hover { 
    background: var(--grad-btn-hover); 
    transform: translateY(-3px); 
    box-shadow: 0 10px 25px rgba(255, 218, 185, 0.5); 
}

.btn-secondary { 
    background: var(--white); 
    color: var(--text-dark); 
    border: 1px solid #e0d8ea;
}
.btn-secondary:hover { 
    background: #f9f6fa; 
    transform: translateY(-2px); 
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.flex-btn-group { display: flex; gap: 1rem; margin-top: 2.5rem; }

/* Progress Bar (Stepper) - Enhanced */
.progress-container { width: 100%; margin-bottom: 2.5rem; display: flex; justify-content: center; }
.progressbar { counter-reset: step; display: flex; list-style-type: none; width: 100%; max-width: 650px; padding: 0;}
.progressbar li { float: left; width: 33.33%; position: relative; text-align: center; font-size: 0.9rem; font-weight: 500; color: var(--text-light); }
.progressbar li:before {
    content: counter(step); counter-increment: step; width: 36px; height: 36px; line-height: 32px; border: 2px solid #e0d8ea; display: block;
    text-align: center; margin: 0 auto 12px auto; border-radius: 50%; background-color: var(--white); z-index: 2; position: relative;
    transition: var(--transition);
}
.progressbar li:after {
    content: ''; position: absolute; width: 100%; height: 4px; background-color: #e0d8ea; top: 16px; left: -50%; z-index: 1; transition: var(--transition);
}
.progressbar li:first-child:after { content: none; }
.progressbar li.active { color: var(--primary-dark); }
.progressbar li.active:before { 
    border-color: var(--primary-dark); 
    background: var(--grad-btn); 
    color: white; 
    box-shadow: 0 0 15px rgba(248,200,220,0.5); 
}
.progressbar li.active + li:after { background: var(--grad-btn); }

/* Animations */
.hidden { display: none !important; }
.hidden-step { display: none; }

.slide-up { animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.fade-in { animation: fadeIn 0.5s ease forwards; }

@keyframes slideUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Processing view */
.processing-card { padding: 5rem 2rem; }
.pulse-ring {
    width: 90px; height: 90px; border-radius: 50%; background: var(--grad-btn); margin: 0 auto 2.5rem; position: relative;
    animation: pulse 1.5s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}
@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(220, 208, 255, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 25px rgba(220, 208, 255, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(220, 208, 255, 0); }
}
.progress-bar-container { width: 100%; height: 10px; background: #f0e6f5; border-radius: 5px; margin: 2rem 0 1rem; overflow: hidden; }
.progress-bar { height: 100%; width: 0%; background: var(--grad-btn); transition: width 0.4s ease; }
.status-text { font-size: 0.95rem; font-weight: 500;}

/* Dashboard Guidance */
.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.flex-center { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;}
.mt-2 { margin-top: 2rem; }

/* Circular Progress - Enhanced */
.circular-progress {
    position: relative; width: 180px; height: 180px; border-radius: 50%;
    background: conic-gradient(var(--lavender) 0deg, #f0e6f5 0deg);
    display: flex; align-items: center; justify-content: center; margin: 1.5rem 0;
    transition: background 1s ease-in-out;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}
.inner-circle { width: 140px; height: 140px; border-radius: 50%; background: var(--white); display: flex; align-items: center; justify-content: center; box-shadow: inset 0 3px 8px rgba(0,0,0,0.03); }
.inner-circle h1 { font-size: 3.2rem; margin: 0; color: var(--text-dark); }
.risk-label { font-size: 1.25rem; font-weight: 600; padding: 0.6rem 1.8rem; border-radius: 30px; background: #f1f1f1;}

.chart-container { position: relative; height: 240px; width: 100%; }

/* Mini Cards - Themed Accents */
.factors-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2.5rem;}
.mini-card { 
    padding: 1.5rem; text-align: center; border-radius: var(--radius-sm); border: none; 
    background: var(--white); box-shadow: var(--shadow-soft);
}
.mini-card i { font-size: 2rem; margin-bottom: 1rem; }

/* Specific colored accents for mini cards */
.mini-card:nth-child(1) i { color: var(--primary-dark); }
.mini-card:nth-child(2) i { color: var(--teal-dark); }
.mini-card:nth-child(3) i { color: var(--lavender); }

.mini-card h4 { font-size: 0.95rem; color: var(--text-light); font-weight: 500; margin-bottom: 0.5rem;}
.mini-card h2 { font-size: 1.8rem; margin:0; color: var(--text-dark); }

/* Alert Banner - Enhanced */
.alert-banner {
    padding: 1.5rem; border-radius: var(--radius-sm); margin-bottom: 2.5rem; display: flex; align-items: center; gap: 1.2rem;
    animation: slideUp 0.4s ease; box-shadow: var(--shadow-soft);
}
.alert-banner i { font-size: 2.2rem; }
.alert-danger { background: var(--danger-soft); color: var(--danger-text); border-left: 5px solid var(--danger-text); }
.alert-danger i { color: var(--danger-text); }
.alert-success { background: var(--success-soft); color: var(--success-text); border-left: 5px solid var(--success-text); }
.alert-success i { color: var(--success-text); }
.alert-banner h4 { margin-bottom: 0.3rem; font-size: 1.15rem; font-weight: 600;}
.alert-banner p { color: inherit; font-size: 0.95rem; margin:0;}

/* Suggestions Section */
.suggestions-section { margin-top: 1rem; margin-bottom: 2.5rem; }
.suggestions-list { display: flex; flex-direction: column; gap: 1rem; }
.suggestion-card {
    background: var(--white);
    border-left: 5px solid var(--peach);
    padding: 1.2rem 1.5rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-soft);
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    transition: var(--transition);
}
.suggestion-card:hover { transform: translateX(5px); box-shadow: 0 5px 20px rgba(0,0,0,0.06); }
.suggestion-card i { font-size: 1.8rem; margin-top: 0.2rem;}
.suggestion-card h4 { font-size: 1.05rem; color: var(--text-dark); margin-bottom: 0.3rem; font-weight: 600;}
.suggestion-card p { font-size: 0.95rem; margin: 0; color: var(--text-light);}

/* Responsive */
@media (max-width: 768px) {
    .grid-2, .dashboard-grid, .factors-grid { grid-template-columns: 1fr; gap: 1.2rem; }
    .card { padding: 1.8rem; }
    .circular-progress { width: 150px; height: 150px; }
    .inner-circle { width: 120px; height: 120px; }
    .inner-circle h1 { font-size: 2.5rem; }
}