@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@300;400;500;600;700&display=swap');

:root {
    --font-primary: 'Public Sans', sans-serif;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    --fs-sm: 13px;
    --fs-md: 14px;
    --fs-base: 15px;
    --fs-lg: 16px;
    --radius-input: 12px;

    /* Light Theme Colors */
    --color-bg-body: #f3f4f6;
    --color-bg-container: #ffffff;
    --color-text-main: #1f2937;
    --color-text-muted: #6b7280;
    --color-text-label: #9ca3af;
    --color-border: #e5e7eb;
    --color-input-bg: #f9fafb;
    --color-input-focus-bg: #ffffff;
    --color-primary: #FE7743;
    --color-primary-hover: #ea6632;
    --color-shadow: rgba(0, 0, 0, 0.05);
    --color-shadow-border: rgba(0, 0, 0, 0.02);

    /* Toggle Button */
    --color-toggle-bg: #ffffff;
    --color-toggle-text: #4b5563;
    --color-toggle-hover-bg: #f3f4f6;

    /* Alert Message */
    --color-alert-bg: rgba(239, 68, 68, 0.08);
    --color-alert-border: rgba(239, 68, 68, 0.2);
    --color-alert-text: #b91c1c;
    --color-alert-icon: #ef4444;
}

.dark-mode {
    /* Dark Theme Colors */
    --color-bg-body: #0f172a;
    --color-bg-container: #1e293b;
    --color-text-main: #f8fafc;
    --color-text-muted: #94a3b8;
    --color-text-label: #64748b;
    --color-border: #334155;
    --color-input-bg: #0f172a;
    --color-input-focus-bg: #0f172a;
    --color-shadow: rgba(0, 0, 0, 0.2);
    --color-shadow-border: rgba(255, 255, 255, 0.05);

    /* Toggle Button */
    --color-toggle-bg: #1e293b;
    --color-toggle-text: #f8fafc;
    --color-toggle-hover-bg: #334155;

    /* Alert Message */
    --color-alert-bg: rgba(239, 68, 68, 0.15);
    --color-alert-border: rgba(239, 68, 68, 0.3);
    --color-alert-text: #fca5a5;
    --color-alert-icon: #f87171;
}

body {
    background-color: var(--color-bg-body);
    font-family: var(--font-primary, 'Public Sans', sans-serif);
    font-size: var(--fs-base);
    font-weight: var(--fw-regular);
    line-height: 1.5;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    color: var(--color-text-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.input-field label,
.password-wrapper label {
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
}

.input-field input[type="email"],
.input-field input[type="text"],
.input-field input[type="password"] {
    font-family: var(--font-primary, 'Public Sans', sans-serif);
    font-size: var(--fs-md);
    border-radius: var(--radius-input);
}

.btn-login {
    font-family: var(--font-primary, 'Public Sans', sans-serif);
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    border-radius: var(--radius-input);
}

.main-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 420px;
}

.login-container {
    width: 100%;
    padding: 48px 40px;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px var(--color-shadow),
        0 10px 15px -3px var(--color-shadow),
        0 0 0 1px var(--color-shadow-border);
    background: var(--color-bg-container);
    text-align: center;
    position: relative;
    box-sizing: border-box;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Mobile Responsiveness */
@media (max-width: 480px) {
    body {
        padding: 15px;
        background-color: var(--color-bg-container);
    }

    .login-container {
        padding: 30px 20px;
        box-shadow: none;
        border-radius: 0;
    }

    .main-wrapper {
        max-width: 100%;
    }
}

/* Logo */
.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 24px;
}

.logo-container img {
    transition: transform 0.3s ease;
}

.logo-container img:hover {
    transform: scale(1.02);
}

/* Text-based brand detail (replaces detail logo image) */
.logo-detail-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.2;
}

.logo-brand {
    font-family: var(--font-primary, 'Public Sans', sans-serif);
    font-size: 29px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #1a1a1a;
    transition: color 0.3s ease;
}

.dark-mode .logo-brand {
    color: #f1f5f9;
}

.logo-tagline {
    font-family: var(--font-primary, 'Public Sans', sans-serif);
    font-size: 18px;
    font-weight: 400;
    color: var(--color-text-muted);
    letter-spacing: 0.01em;
    transition: color 0.3s ease;
}

.welcome-subtitle {
    font-size: 15px;
    color: var(--color-text-muted);
    margin: 0 0 6px 0;
    line-height: 1.5;
}

.login-motto {
    font-size: 12px;
    color: var(--color-text-label);
    font-style: italic;
    margin: 0 0 32px 0;
    letter-spacing: 0.02em;
}

.brand-name {
    color: var(--color-primary);
    font-weight: 600;
}

.login-form {
    text-align: left;
}

/* Input Fields & Floating Labels */
.input-field,
.password-wrapper {
    margin-bottom: 24px;
    position: relative;
    text-align: left;
}

/* Default Label State */
.input-field label,
.password-wrapper label {
    font-size: 15px;
    color: var(--color-text-label);
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    background: transparent;
    padding: 0 4px;
    z-index: 10;
    margin: 0;
    pointer-events: none;
    transition: all 0.2s ease-out;
    font-weight: 400;
}

/* Input Styling */
.input-field input[type="email"],
.input-field input[type="text"],
.input-field input[type="password"] {
    border: 1px solid var(--color-border);
    padding: 16px 16px;
    font-size: 16px;
    color: var(--color-text-main);
    width: 100%;
    outline: none;
    box-sizing: border-box;
    transition: all 0.2s ease;
    background: var(--color-input-bg);
    height: 56px;
}

/* Focus State */
.input-field input:focus {
    background: var(--color-input-focus-bg);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(254, 119, 67, 0.15);
}

/* Floating Label Active State */
.input-field input:focus+label,
.input-field input:not(:placeholder-shown)+label,
.password-wrapper input:focus+label,
.password-wrapper input:not(:placeholder-shown)+label {
    top: 0;
    left: 12px;
    font-size: 12px;
    color: var(--color-primary);
    background: var(--color-bg-container);
    font-weight: 600;
    height: auto;
    padding: 0 4px;
}

/* Password Toggle */
.password-wrapper {
    position: relative;
}

.input-field .toggle-password {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--color-text-label);
    font-size: 18px;
    z-index: 20;
    transition: color 0.2s;
}

.input-field .toggle-password:hover {
    color: var(--color-text-muted);
}

/* Button */
.btn-login {
    width: 100%;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-input);
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(254, 119, 67, 0.2);
    transition: all 0.2s ease;
    margin-top: 8px;
    letter-spacing: 0.025em;
}

.btn-login:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(254, 119, 67, 0.3);
}

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

/* Footer & Copyright */
.copyright {
    margin-top: 32px;
    font-size: 13px;
    color: var(--color-text-label);
    text-align: center;
}

/* ── Inline Alert Message ─────────────────────────────────── */
.alert-msg {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.45;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s ease, transform 0.35s ease;
    animation: alertSlideIn 0.3s ease;
}

@keyframes alertSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-msg--error {
    background: var(--color-alert-bg);
    border: 1px solid var(--color-alert-border);
    color: var(--color-alert-text);
}

.alert-msg__icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 1px;
    color: var(--color-alert-icon);
}

.alert-msg__icon svg {
    width: 100%;
    height: 100%;
}

.alert-msg__body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.alert-msg__title {
    font-weight: 600;
    font-size: 13px;
    color: var(--color-alert-text);
    letter-spacing: 0.01em;
}

.alert-msg__text {
    font-size: 12px;
    color: var(--color-alert-text);
    opacity: 0.9;
}

.alert-msg__close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--color-alert-text);
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    margin-top: -1px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.alert-msg__close:hover {
    opacity: 1;
}

/* ── Theme Toggle Button ─────────────────────────────────── */
.theme-toggle-wrapper {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

#theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-toggle-bg);
    box-shadow: 0 2px 8px var(--color-shadow);
    color: var(--color-toggle-text);
    font-size: 20px;
    text-decoration: none;
    transition: all 0.3s ease;
}

#theme-toggle:hover {
    background: var(--color-toggle-hover-bg);
    color: var(--color-primary);
    transform: scale(1.05);
}

/* Rotate animation for toggle */
.rotate-animation {
    animation: rotateIcon 0.3s ease-in-out;
}

@keyframes rotateIcon {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Theme Transitioning */
.theme-transitioning,
.theme-transitioning *,
.theme-transitioning *::before,
.theme-transitioning *::after {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease !important;
}