/* public/css/style.css */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;700&display=swap');

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --background-color: #f4f7f6;
    --text-color: #333;
    --border-color: #ddd;
    --header-bg: #222;
    --header-text: #fff;
    --footer-bg: #333;
    --footer-text: #fff;
    --card-bg: #fff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

*, *::before, *::after {
    box-sizing: inherit;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo a {
    color: var(--header-text);
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
}

header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

header nav ul li {
    margin-left: 25px;
}

header nav ul li a {
    color: var(--header-text);
    font-weight: 400;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

header nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    text-decoration: none;
}

/* Language Selector */
.language-selector select {
    background-color: var(--header-bg);
    color: var(--header-text);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    -webkit-appearance: none; /* Remove default arrow on select */
    -moz-appearance: none;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%20viewBox%3D%220%200%20292.4%20292.4%22%3E%3Cpath%20fill%3D%22%23ffffff%22%20d%3D%22M287%20197.3L159.9%2069.2c-3.7-3.7-9.7-3.7-13.4%200L5.3%20197.3c-3.7%203.7-3.7%209.7%200%2013.4s9.7%203.7%2013.4%200l135-135%20135%20135c3.7%203.7%209.7%203.7%2013.4%200s3.6-9.7-.1-13.4z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 10px top 50%;
    background-size: 12px auto;
    padding-right: 30px; /* Make space for the custom arrow */
}

.language-selector select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.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;
}


main {
    flex-grow: 1;
    padding: 20px 0;
}

.container {
    max-width: 900px;
    margin: 20px auto;
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

h1, h2, h3 {
    color: var(--dark-color);
    margin-top: 0;
    margin-bottom: 20px;
    text-align: center;
}

p {
    margin-bottom: 15px;
}

/* Flash Messages */
.message {
    padding: 15px;
    margin: 20px auto;
    max-width: 900px;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    animation: fadeIn 0.5s ease-out;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.button {
    display: inline-block;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    text-decoration: none; /* Override default underline on hover */
}

.button.primary {
    background-color: var(--primary-color);
    color: var(--light-color);
}

.button.primary:hover {
    background-color: #0056b3;
}

.button.secondary {
    background-color: var(--secondary-color);
    color: var(--light-color);
}

.button.secondary:hover {
    background-color: #5a6268;
}

.button.success {
    background-color: var(--success-color);
    color: var(--light-color);
}

.button.success:hover {
    background-color: #218838;
}

.button.danger {
    background-color: var(--danger-color);
    color: var(--light-color);
}

.button.danger:hover {
    background-color: #c82333;
}

.button.info {
    background-color: var(--info-color);
    color: var(--light-color);
}

.button.info:hover {
    background-color: #117a8b;
}

.button.small {
    padding: 6px 12px;
    font-size: 0.85rem;
    border-radius: 6px;
}

.button.disabled, .button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}


/* Forms */
.auth-form, .shorten-form {
    max-width: 500px;
    margin: 0 auto;
    padding: 30px;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="url"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus,
.form-group input[type="url"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
    outline: none;
}

.shorten-form {
    display: flex;
    flex-wrap: wrap; /* Allows wrapping on smaller screens */
    gap: 15px; /* Spacing between input and button */
    align-items: center;
}

.shorten-form .form-group {
    flex-grow: 1; /* Allows input to take available space */
    margin-bottom: 0; /* Remove bottom margin for flex layout */
}

.shorten-form button {
    flex-shrink: 0; /* Prevent button from shrinking */
    padding: 12px 25px; /* Adjust padding for better look */
    font-size: 1.1rem;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 25px;
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden; /* Ensures rounded corners on table */
    box-shadow: var(--shadow);
}

.data-table th, .data-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.data-table th {
    background-color: var(--dark-color);
    color: var(--light-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.data-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.data-table tr:hover {
    background-color: #f1f1f1;
}

.data-table td a {
    word-break: break-all; /* Break long URLs */
}

/* Copy Button for URLs */
.copy-button {
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 0.9rem;
    margin-left: 5px;
    vertical-align: middle;
    padding: 5px;
    border-radius: 5px;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.copy-button:hover {
    color: var(--primary-color);
    background-color: rgba(0, 123, 255, 0.1);
}

/* Text alignment helpers */
.text-center {
    text-align: center;
}

/* Admin Controls */
.admin-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.admin-controls .status-indicator {
    margin: 0;
    font-weight: 600;
}

.admin-controls .status-indicator strong {
    color: var(--primary-color);
}

/* Collapsible "More Options" */
.more-options-toggle {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 20px;
    margin-bottom: 15px;
    background-color: var(--secondary-color);
    color: var(--light-color);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border: none;
    font-size: 1rem;
    font-weight: 600;
}

.more-options-toggle:hover {
    background-color: #5a6268;
}

.more-options-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 15px;
}

.more-options-content.show {
    max-height: 200px; /* Adjust as needed for content height */
    padding: 15px;
}

/* Short Code Availability */
.availability-message {
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 5px;
}

.availability-message.available {
    color: var(--success-color);
}

.availability-message.taken,
.availability-message.invalid {
    color: var(--danger-color);
}

/* Analytics specific styles */
.analytics-summary {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.analytics-summary > div {
    text-align: center;
    background-color: var(--light-color);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    min-width: 150px;
}

.analytics-summary h3 {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.analytics-summary .metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
    margin: 0;
}

.chart-container {
    position: relative;
    width: 100%;
    max-width: 700px; /* Limit chart width */
    margin: 20px auto;
}

/* Footer */
footer {
    margin-top: auto; /* Pushes footer to the bottom */
    background-color: var(--footer-bg);
    color: var(--footer-text);
    text-align: center;
    padding: 20px 0;
    font-size: 0.9rem;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    header nav {
        flex-direction: column;
        align-items: flex-start;
    }

    header nav ul {
        flex-direction: column;
        width: 100%;
        margin-top: 15px;
    }

    header nav ul li {
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }

    .shorten-form {
        flex-direction: column;
        align-items: stretch;
    }

    .shorten-form .form-group {
        width: 100%;
    }

    .shorten-form button {
        width: 100%;
    }

    .data-table th, .data-table td {
        padding: 8px 10px;
        font-size: 0.9rem;
    }

    /* Stack table columns for better mobile view */
    .data-table thead {
        display: none; /* Hide table headers */
    }
    .data-table, .data-table tbody, .data-table tr, .data-table td {
        display: block;
        width: 100%;
    }
    .data-table tr {
        margin-bottom: 15px;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }
    .data-table td {
        text-align: right;
        padding-left: 50%;
        position: relative;
    }
    .data-table td::before {
        content: attr(data-label);
        position: absolute;
        left: 0;
        width: 50%;
        padding-left: 15px;
        font-weight: 600;
        text-align: left;
        color: var(--dark-color);
    }
    /* Add data-label attributes to your TDs in PHP views for this to work */
    /* Example: <td data-label="<?php echo $this->lang('original_url'); ?>"> */
    .data-table td:nth-of-type(1)::before { content: "Original URL"; }
    .data-table td:nth-of-type(2)::before { content: "Short URL"; }
    .data-table td:nth-of-type(3)::before { content: "Clicks"; }
    .data-table td:nth-of-type(4)::before { content: "Created At"; }
    .data-table td:nth-of-type(5)::before { content: "Action"; }


    .admin-controls {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}