/**
 * Common Portal Styles
 * Shared styles across all portal pages
 */

/* CSS Variables for consistent theming */
:root {
    /* School brand colors */
    --primary-color: #ffffff;
    --secondary-color: #000000;
    --accent-color: #ff7713;
    
    /* UI Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f8f8;
    --bg-dark: #000000;
    --text-primary: #626262;
    --text-secondary: #a8a8a8;
    --text-dark: #444444;
    --border-color: #EBEBEB;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border radius */
    --radius-sm: 5px;
    --radius-md: 10px;
    --radius-lg: 15px;
    --radius-full: 50%;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    font-weight: 300;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 50px;
    line-height: 1.2;
}

h2 {
    font-size: 30px;
    line-height: 1.3;
}

h3 {
    font-size: 25px;
    line-height: 1.4;
}

h4 {
    font-size: 21px;
    line-height: 1.4;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-color);
}

/* Form elements */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="date"],
input[type="time"],
textarea,
select {
    width: 100%;
    padding: 12px 16px;
    font-family: inherit;
    font-size: 14px;
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: rgba(233, 245, 252, 0.5);
    box-shadow: 0 0 0 3px rgba(255, 119, 19, 0.1);
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 20px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #f2f2f2 100%);
    color: var(--text-dark);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, #eaeaea 100%);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background-color: #eaeaea;
}

.btn-outline {
    background-color: transparent;
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Loading spinner */
.spinner {
    animation: rotate 2s linear infinite;
    width: 24px;
    height: 24px;
}

.spinner .path {
    stroke: currentColor;
    stroke-linecap: round;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes dash {
    0% {
        stroke-dasharray: 1, 150;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -35;
    }
    100% {
        stroke-dasharray: 90, 150;
        stroke-dashoffset: -124;
    }
}

/* Messages */
.error-message,
.success-message,
.info-message {
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
}

.error-message {
    background-color: #fae9e8;
    color: #962317;
    border-left: 4px solid #962317;
}

.success-message {
    background-color: #eaf8ef;
    color: #3a8b5b;
    border-left: 4px solid #3a8b5b;
}

.info-message {
    background-color: #e9f5fc;
    color: #1982c2;
    border-left: 4px solid #1982c2;
}

/* Card component */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--bg-primary);
    margin: 5% auto;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

.close-modal {
    color: var(--text-secondary);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.close-modal:hover {
    color: var(--text-dark);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive design */
@media only screen and (max-width: 767px) {
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 32px;
    }
    
    h2 {
        font-size: 24px;
    }
    
    h3 {
        font-size: 20px;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: var(--spacing-lg);
    }
}

/* Accessibility */
:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}