/* -----------------------------------------------------------
 * style.css - Unified Stylesheet
 * ----------------------------------------------------------- */

/* ===========================================================
 * 0. CSS Variables & Base
 * =========================================================== */

:root {
    --primary-color: #007bff;
    --primary-hover-color: #0056b3;
    --background-color: #f8f9fa;
    --container-background: #ffffff;
    --text-color: #343a40;
    --subtle-text-color: #6c757d;
    --border-color: #dee2e6;
    --input-background: #f8f9fa;
    --success-bg: #d4edda;
    --success-border: #c3e6cb;
    --success-text: #155724;
    --error-bg: #f8d7da;
    --error-border: #f5c6cb;
    --error-text: #721c24;
    --shadow: 0 4px 6px rgba(0,0,0,0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--background-color);
    color: var(--text-color);
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 850px;
    margin: 20px auto;
    padding: 20px;
    box-sizing: border-box;
}

.container-large {
    max-width: 1000px;
}

.card {
    background: var(--container-background);
    padding: 2rem 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 30px;
}

h1 {
    text-align: center;
    color: var(--text-color);
    font-size: 2rem;
    margin-bottom: 2rem;
}

h2 {
    text-align: left;
    margin-top: 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    word-wrap: break-word;
}

a:hover { text-decoration: underline; }

/* ===========================================================
 * 1. Header & Footer
 * =========================================================== */

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: var(--container-background);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    border-radius: 8px;
}

header h1 {
    margin: 0;
    font-size: 1.5em;
}

.header-actions {
    display: flex;
    align-items: center;
}

.header-actions a, .header-actions span {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    margin-left: 15px;
}

.header-actions a {
    padding: 8px 12px;
    border-radius: 5px;
    transition: background-color 0.2s;
}

.header-actions a:hover {
    background-color: #e9ecef;
}

.header-actions .btn-login {
    background-color: var(--primary-color);
    color: white;
}

.header-actions .btn-login:hover {
    background-color: var(--primary-hover-color);
}

footer {
    text-align: center;
    margin-top: auto;
    padding: 2rem 1rem;
    font-size: 0.9rem;
    color: var(--subtle-text-color);
    width: 100%;
}

.footer-links a {
    color: var(--subtle-text-color);
    margin: 0 0.75rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

/* ===========================================================
 * 2. Forms & Inputs
 * =========================================================== */

#shorten-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.main-input-group {
    display: flex;
}

#url {
    flex-grow: 1;
    padding: 0.85rem 1.1rem;
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: 8px 0 0 8px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    -webkit-appearance: none;
    appearance: none;
        -webkit-appearance: none;
}

#url:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
    z-index: 1;
}

.shrink-button {
    padding: 0.85rem 1.75rem;
    border: none;
    background: var(--primary-color);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-left: -1px;
}

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

.shrink-button:disabled {
    background: #a0aec0;
    cursor: not-allowed;
}

.optional-settings summary {
    cursor: pointer;
    color: var(--subtle-text-color);
    font-weight: 500;
}

.optional-fields-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 0.5rem;
}

.input-with-prefix, .input-container-with-button {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-with-prefix:focus-within, .input-container-with-button:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

.input-with-prefix .prefix,
.input-container-with-button .prefix {
    padding: 0 0.75rem;
    background: var(--input-background);
    color: var(--subtle-text-color);
    border-right: 1px solid var(--border-color);
    align-self: stretch;
    display: flex;
    align-items: center;
    border-radius: 8px 0 0 8px;
}

.input-with-prefix input,
.input-container-with-button input {
    flex-grow: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 0 8px 8px 0;
    font-size: 0.9rem;
    background: transparent;
}

.input-with-prefix input:focus,
.input-container-with-button input:focus {
    outline: none;
}

.suffix-btn {
    padding: 0.5rem;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 1.2rem;
    color: #718096;
    border-left: 1px solid var(--border-color);
    border-radius: 0 8px 8px 0;
}

.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 500; }
.form-group input[type="text"], .form-group input[type="url"], .form-group input[type="password"], .form-group input[type="email"] { width: 100%; padding: 10px; border: 1px solid var(--border-color); border-radius: 6px; box-sizing: border-box; background: #fff; }
.form-group textarea { width: 100%; padding: 10px; border: 1px solid var(--border-color); border-radius: 6px; box-sizing: border-box; background: #fff; resize: vertical; min-height: 140px; }
.form-group input[type="text"]:focus, .form-group input[type="url"]:focus, .form-group input[type="password"]:focus, .form-group input[type="email"]:focus, .form-group textarea:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 4px rgba(0,123,255,0.08); }
.form-group button { padding: 10px 15px; border: none; background-color: var(--primary-color); color: white; border-radius: 6px; cursor: pointer; transition: background-color 0.2s; }

.form-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
}
.form-inline label { flex-shrink: 0; font-weight: 500; }
.form-inline input[type="text"] { width: auto; flex-grow: 1; padding: 10px; border: 1px solid var(--border-color); border-radius: 4px; box-sizing: border-box; }
.form-inline button { padding: 10px 15px; border: none; background-color: var(--primary-color); color: white; border-radius: 4px; cursor: pointer; transition: background-color 0.2s; flex-shrink: 0; }
.form-inline button:hover { background-color: #0056b3; }

/* ===========================================================
 * 3. Feedback & Utility
 * =========================================================== */

.feedback, .feedback-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    border: 1px solid transparent;
}

.error, .error-message {
    color: var(--error-text);
    background-color: var(--error-bg);
    border-color: var(--error-border);
}

.success, .success-message {
    color: var(--success-text);
    background-color: var(--success-bg);
    border-color: var(--success-border);
}

.copy-btn {
    margin-left: 10px;
    padding: 4px 10px;
    cursor: pointer;
    border: 1px solid var(--success-border);
    border-radius: 4px;
    background-color: var(--success-bg);
    color: var(--success-text);
    font-size: 13px;
    font-weight: 500;
    transition: background-color 0.2s;
}
.copy-btn:hover { background-color: #bee3f8; }

.edit-code-box {
    margin-top: 15px;
    padding: 12px;
    background-color: #fffbe6;
    border: 1px solid #ffe58f;
    border-radius: 8px;
}
.edit-code-box p { margin: 0 0 8px 0; font-weight: bold; color: #d46b08; }
.edit-code-box code { font-size: 1.1em; color: #d46b08; background: #fff0c7; padding: 3px 6px; border-radius: 4px; }
.edit-code-box .copy-btn { margin-left: 15px; background-color: #ffe58f; border-color: #d46b08; color: #d46b08; }
.edit-code-box .copy-btn:hover { background-color: #ffc107; }

/* ===========================================================
 * 4. Stats Page Specifics
 * =========================================================== */

.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { border: 1px solid var(--border-color); padding: 12px 15px; text-align: left; vertical-align: middle; white-space: nowrap; }
.action-buttons form { display: inline-block; margin: 0 2px; }
.btn-edit, .btn-delete { padding: 6px 10px; border: none; border-radius: 4px; color: white; cursor: pointer; font-size: 0.85em; }
.btn-edit { background-color: var(--primary-color); }
.btn-delete { background-color: #dc3545; }

.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.5); backdrop-filter: blur(3px); }
.modal-content { background-color: var(--container-background); margin: 10% auto; padding: 30px; border-radius: 8px; width: 90%; max-width: 500px; box-shadow: 0 5px 15px rgba(0,0,0,0.3); animation: slide-down 0.3s ease-out; }
@keyframes slide-down { from { transform: translateY(-30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.close-button { color: #aaa; float: right; font-size: 28px; font-weight: bold; line-height: 1; cursor: pointer; }
.empty-state { text-align: center; padding: 40px; }
.managed-codes { list-style-type: none; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.managed-codes li { background: #e9ecef; padding: 5px 10px; border-radius: 5px; font-family: monospace; }

/* ===========================================================
 * 5. API Docs Specifics
 * =========================================================== */

.card h2 { margin-top: 2rem; }

.endpoint {
    font-size: 1.1em;
    font-weight: bold;
    color: var(--primary-color);
    background-color: var(--input-background);
    padding: 10px 15px;
    border-radius: 8px;
    margin: 1rem 0;
    display: block;
    word-wrap: break-word;
}

.method {
    background-color: var(--primary-hover-color);
    color: white;
    padding: 3px 8px;
    border-radius: 5px;
    font-weight: bold;
    margin-right: 10px;
    display: inline-block;
}

pre {
    background-color: #f8f8f8;
    border: 1px solid var(--border-color);
    padding: 15px;
    overflow-x: auto;
    margin: 1rem 0;
    border-radius: 8px;
    font-family: Consolas, Monaco, monospace;
    font-size: 0.9em;
}

code { 
    background-color: #f0f0f0; 
    padding: 2px 4px; 
    border-radius: 3px; 
    font-family: Consolas, Monaco, monospace; 
    font-size: 0.9em; 
}

/* ===========================================================
 * 6. Responsive Design
 * =========================================================== */

@media (max-width: 768px) {
    body { padding-top: 0; }
    .container, .container-large {
        padding: 2rem 1.5rem;
        margin: 0;
        border-radius: 0;
        box-shadow: none;
        min-height: 100vh;
    }
    header {
        gap: 1rem;
        padding: 1.5rem;
    }
    .optional-fields-group {
        grid-template-columns: 1fr;
    }
    .footer-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem 1rem;
    }
    .footer-links a { margin: 0; }
}

/* Honeypot (visually hidden but accessible to bots) */
.honeypot { position: absolute; left: -9999px; top: -9999px; }

.meta-info { font-size: 0.9rem; color: var(--subtle-text-color); margin-bottom: 1rem; }

/* ===========================================================
   Extra mobile optimizations for very small screens
   =========================================================== */
@media (max-width: 480px) {
    /* make layout full-bleed on very small screens */
    body { align-items: stretch; }
    .container { max-width: 100%; margin: 0; padding: 0; }
    .card {
        padding: 1rem 0.9rem;
        border-radius: 0;
        box-shadow: none;
        margin: 0;
        margin-bottom: 10px;
        min-height: auto;
        width: 100%;
    }

    h1 { font-size: 1.25rem; margin-bottom: 0.75rem; }

    .form-group input[type="text"], .form-group input[type="email"], .form-group input[type="url"], .form-group textarea {
        padding: 12px;
        font-size: 1rem;
    }

    .form-group button {
        width: 100%;
        padding: 12px;
        font-size: 1rem;
    }

    header { padding: 0.6rem 0.9rem; border-radius: 0; margin: 0; margin-bottom: 10px; }
    header h1 { font-size: 1.1rem; }
    .header-actions { margin-top: 0.5rem; gap: 8px; flex-wrap: wrap; justify-content: center; }
    .header-actions a { padding: 10px 12px; font-size: 0.95rem; }
    .container { padding: 0; }

    /* footer touch targets */
    .footer-links { padding: 0.75rem 0; }
    .footer-links a { display: inline-block; padding: 10px 12px; font-size: 0.95rem; }
}