/**
 * Authentication Page Styles (Login, Registration, etc.)
 * Version: 1.0.0 - Production Ready
 * Provides styling consistent with the main application's dark theme.
 */

/* ==========================================================================
   Base & Variables (Copied from main theme for consistency)
   ========================================================================== */
:root {
    /* Fonts */
    --font-display: 'Poppins', sans-serif;
    --font-body: 'Poppins', sans-serif;
    --font-accent: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    /* Core Colors */
    --color-bg-dark: #0a1128; --color-bg-medium: #1a2340; --color-bg-light: #2a3559;
    --color-text-primary: #e0e5f0; --color-text-secondary: #a0abc0; --color-text-accent: #38b6ff;
    --color-accent-glow: rgba(56, 182, 255, 0.4);
    --color-status-success-bg: rgba(46, 204, 113, 0.1); --color-status-success-border: #2ecc71; --color-status-success-text: #2ecc71;
    --color-status-danger-bg: rgba(231, 76, 60, 0.1); --color-status-danger-border: #e74c3c; --color-status-danger-text: #e74c3c;
    --color-danger: #e74c3c; --color-button-text: #ffffff; --color-button-text-dark: #0a1128;
    /* Gradients */
    --gradient-bg: linear-gradient(145deg, var(--color-bg-dark), #050814);
    --gradient-accent: linear-gradient(135deg, var(--color-text-accent), #5271ff);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0));
    --gradient-button-primary: linear-gradient(135deg, #38b6ff, #5271ff);
    --gradient-button-primary-hover: linear-gradient(135deg, #5bc6ff, #728cff);
    /* UI Dimensions & Transitions */
    --transition-fast: all 0.2s ease;
    --border-radius-main: 16px; --border-radius-small: 8px;
    --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.2); --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.15);
    --shadow-button: 0 4px 12px rgba(0, 0, 0, 0.15); --shadow-button-hover: 0 6px 16px rgba(0, 0, 0, 0.2);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ==========================================================================
   Minimal Layout Body Styles
   ========================================================================== */
body.layout-minimal {
    font-family: var(--font-body);
    background: var(--gradient-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    display: flex; /* Center content */
    flex-direction: column; /* Stack container and footer */
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.minimal-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1; /* Take available vertical space */
}

/* ==========================================================================
   Login Container & Content Styling
   ========================================================================== */

.login-container {
    background: var(--gradient-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-main);
    padding: 35px 40px; /* More padding */
    box-shadow: var(--shadow-soft);
    color: var(--color-text-primary);
    width: 100%;
    max-width: 420px; /* Limit login box width */
    text-align: center; /* Center heading */
}

.login-container h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 25px;
}

/* --- Messages (Error/Success) --- */
.message {
    padding: 12px 18px;
    margin-bottom: 20px;
    border-radius: var(--border-radius-small);
    border: 1px solid transparent;
    text-align: left; /* Align text left within message */
    font-size: 0.9rem;
    line-height: 1.4;
}
.message.is-danger {
    background-color: var(--color-status-danger-bg);
    border-color: var(--color-status-danger-border);
    color: var(--color-status-danger-text);
}
.message.is-success {
    background-color: var(--color-status-success-bg);
    border-color: var(--color-status-success-border);
    color: var(--color-status-success-text);
}

/* --- Form Styling --- */
.login-container form {
    text-align: left; /* Align form elements left */
}

.field {
    margin-bottom: 20px;
}
.field:last-child {
    margin-bottom: 0;
}

.label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    display: block;
    margin-bottom: 8px;
}

.control {
    position: relative; /* For potential icons later */
}

.input {
    display: block;
    width: 100%;
    background-color: rgba(10, 17, 40, 0.6); /* Darker input background */
    color: var(--color-text-primary);
    border: 1px solid var(--color-bg-light);
    border-radius: var(--border-radius-small);
    padding: 12px 15px;
    font-size: 1rem;
    line-height: 1.5;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.7;
}
.input:focus {
    outline: none;
    border-color: var(--color-text-accent);
    box-shadow: 0 0 8px var(--color-accent-glow);
}
/* Basic styles for potential invalid state (add class via JS/PHP) */
.input.is-invalid {
    border-color: var(--color-danger);
}
.input.is-invalid:focus {
    box-shadow: 0 0 8px rgba(231, 76, 60, 0.5);
}

/* Submit Button */
.button.is-primary {
    width: 100%; /* Full width button */
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 600;
    background: var(--gradient-button-primary);
    color: var(--color-button-text-dark);
    border: none;
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-button);
    transition: var(--transition-fast);
    cursor: pointer;
}
.button.is-primary:hover,
.button.is-primary:focus {
    background: var(--gradient-button-primary-hover);
    box-shadow: var(--shadow-button-hover);
    transform: translateY(-2px);
    outline: none;
}
.button.is-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-inset);
}

/* ==========================================================================
   Minimal Footer Styling
   ========================================================================== */
.minimal-footer {
    width: 100%;
    text-align: center;
    padding: 20px 15px 15px 15px; /* Padding top/bottom */
    margin-top: auto; /* Pushes footer down */
    flex-shrink: 0; /* Prevent shrinking */
}
.minimal-footer p {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    opacity: 0.7;
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */
@media (max-width: 480px) {
    body.layout-minimal { padding: 15px; }
    .login-container { padding: 25px 20px; max-width: 95%; }
    .login-container h2 { font-size: 1.5rem; margin-bottom: 20px; }
    .message { padding: 10px 15px; font-size: 0.85rem; }
    .field { margin-bottom: 15px; }
    .label { font-size: 0.85rem; margin-bottom: 5px; }
    .input { padding: 10px 12px; font-size: 0.9rem; }
    .button.is-primary { padding: 10px 15px; font-size: 0.95rem; }
    .minimal-footer p { font-size: 0.75rem; }
}

/* ==========================================================================
   Accessibility High Contrast Mode (Optional but recommended)
   ========================================================================== */
body.layout-minimal.high-contrast { /* Target specifically */
    /* High contrast variables (define or ensure they are available) */
    --color-bg-dark: #000000; --color-bg-medium: #1a1a1a; --color-bg-light: #333333; --color-text-primary: #ffffff; --color-text-secondary: #dddddd; --color-text-accent: #ffff00; --color-status-success-border: #00ff00; --color-status-danger-border: #ff0000; --color-button-text-dark: #000000; --gradient-bg: var(--color-bg-dark); --gradient-glass: var(--color-bg-medium); --gradient-button-primary: var(--color-text-accent); --gradient-button-primary-hover: #ffff4d; --shadow-soft: none; --shadow-button: none; --shadow-button-hover: none;
}
body.layout-minimal.high-contrast .login-container {
    background: var(--gradient-glass); border: 2px solid var(--color-text-primary); backdrop-filter: none;
}
body.layout-minimal.high-contrast .input {
    background-color: var(--color-bg-light); border-color: var(--color-text-secondary); color: var(--color-text-primary);
}
body.layout-minimal.high-contrast .input:focus {
    border-color: var(--color-text-accent); box-shadow: 0 0 4px var(--color-text-accent);
}
body.layout-minimal.high-contrast .button.is-primary {
    background: var(--gradient-button-primary); border: 1px solid var(--color-button-text-dark); color: var(--color-button-text-dark);
}
body.layout-minimal.high-contrast .button.is-primary:hover {
     background: var(--gradient-button-primary-hover);
}
body.layout-minimal.high-contrast .message.is-danger {
    background-color: transparent; color: var(--color-status-danger-border); border-color: var(--color-status-danger-border);
}
body.layout-minimal.high-contrast .message.is-success {
     background-color: transparent; color: var(--color-status-success-border); border-color: var(--color-status-success-border);
}
/* --- End High Contrast --- */