/* Global Calculator Styles */

/* Base Theme Variables (can be overridden per calculator) */
:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --accent: #f093fb;
    --text: #2d3436;
    --bg: #f8f9fa;
    --card-bg: #ffffff;
    --success: #00b894;
    --warning: #fdcb6e;
    --danger: #e17055;
    --info: #74b9ff;
    --light: #ddd;
    --dark: #2d3436;
    --border-radius: 12px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* Layout */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

/* Typography */
h1 {
    color: var(--primary);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

h2 {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 1rem;
}

h3 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text);
}

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
}

.subtitle {
    color: var(--secondary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

/* Calculator Container */
.calculator {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    transition: var(--transition);
    border: 2px solid transparent;
}

.calculator:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

/* Input Groups */
.input-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

/* Form Controls */
input[type="number"],
input[type="text"],
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 2px solid var(--light);
    border-radius: var(--border-radius);
    outline: none;
    transition: var(--transition);
    background: var(--card-bg);
    color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

input:hover,
select:hover,
textarea:hover {
    border-color: var(--secondary);
}

/* Buttons */
.btn,
button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: var(--shadow);
}

.btn:hover,
button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.btn-success {
    background: var(--success);
}

.btn-warning {
    background: var(--warning);
}

.btn-danger {
    background: var(--danger);
}

.btn-info {
    background: var(--info);
}

/* Results */
.result,
.results {
    background: var(--card-bg);
    border: 2px solid var(--primary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 1.5rem 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.result h3,
.results h3 {
    margin-top: 0;
    color: var(--primary);
}

/* Progress Bars */
.progress {
    background: var(--light);
    border-radius: 10px;
    height: 20px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transition: width 0.5s ease;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    border: 1px solid var(--light);
}

.card-header {
    border-bottom: 1px solid var(--light);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.card-title {
    color: var(--primary);
    margin: 0;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin: 1rem 0;
    border-left: 4px solid;
}

.alert-info {
    background: rgba(116, 185, 255, 0.1);
    border-color: var(--info);
    color: var(--info);
}

.alert-success {
    background: rgba(0, 184, 148, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.alert-warning {
    background: rgba(253, 203, 110, 0.1);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-danger {
    background: rgba(225, 112, 85, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }

.rounded { border-radius: var(--border-radius); }
.shadow { box-shadow: var(--shadow); }
.shadow-hover { box-shadow: var(--shadow-hover); }

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .input-group {
        grid-template-columns: 1fr;
    }
    
    .calculator {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    .calculator {
        padding: 1rem;
    }
    
    .btn,
    button {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* Theme-specific overrides can be added below or in separate theme files */