@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700;800&display=swap");

:root {
    /* Balanced Theme Colors - Medium tone backgrounds */
    --bg-primary: #1a1d23;
    --bg-secondary: #222832;
    --bg-tertiary: #2a2f3a;
    --bg-quaternary: #323947;

    /* Glass Effects */
    --glass-bg: rgba(42, 47, 58, 0.8);
    --glass-bg-light: rgba(52, 59, 71, 0.6);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-border-light: rgba(255, 255, 255, 0.18);

    /* Accent Colors - Softer, more muted */
    --accent-primary: #4a9eff;
    --accent-secondary: #e85d9a;
    --accent-tertiary: #9d5ce8;
    --accent-success: #4dd4ac;
    --accent-warning: #f5a623;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4ac6ff 0%, #9d5ce8 50%, #e85d9a 100%);
    --gradient-secondary: linear-gradient(135deg, #e85d9a 0%, #9d5ce8 100%);
    --gradient-accent: linear-gradient(135deg, #4dd4ac 0%, #4a9eff 100%);
    --gradient-bg: linear-gradient(135deg, #1a1d23 0%, #2a2f3a 50%, #323947 100%);

    /* Text Colors */
    --text-primary: #f8f9fa;
    --text-secondary: #c8ced7;
    --text-muted: #8892a3;
    --text-accent: #4a9eff;

    /* Shadows */
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.25);
    --shadow-medium: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-strong: 0 15px 50px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(74, 158, 255, 0.25);
    --shadow-glow-pink: 0 0 20px rgba(232, 93, 154, 0.25);

    /* Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body,
input {
    font-family: "Poppins", sans-serif;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* Circle styles (unchanged from previous design) */
.circle {
    height: 24px;
    width: 24px;
    border-radius: 50%;
    /* background-color: black; */
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 99999999;
    transition: transform 0.1s ease-out;
}


.container {
    position: relative;
    width: 100%;
    background: var(--bg-tertiary); /* Base background for the container */
    min-height: 100vh;
    overflow: hidden;
}

.forms-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.sign-in-signup {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    left: 75%;
    width: 50%;
    transition: 1s 0.7s ease-in-out;
    display: grid;
    grid-template-columns: 1fr;
    z-index: 5;
    background: var(--glass-bg-light); /* Glass effect for forms container */
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

form {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 3rem 5rem; /* Reduced padding for better fit */
    transition: all 0.2s 0.7s;
    overflow: hidden;
    grid-column: 1 / 2;
    grid-row: 1 / 2;
}

form.sign-up-form {
    opacity: 0;
    z-index: 1;
}

form.sign-in-form {
    z-index: 2;
}

.title {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 25px;
    font-weight: 700;
}

.input-field {
    max-width: 380px;
    width: 100%;
    background-color: var(--bg-secondary);
    margin: 15px 0;
    height: 55px;
    border-radius: var(--radius-full);
    display: grid;
    grid-template-columns: 15% 70% 15%;
    padding: 0 0.4rem;
    position: relative;
    border: 1px solid var(--glass-border);
    transition: var(--transition-fast);
}

.input-field:hover {
    box-shadow: var(--shadow-glow);
    border-color: var(--accent-primary);
}


.input-field i {
    text-align: center;
    line-height: 55px;
    color: var(--text-muted);
    transition: 0.5s;
    font-size: 1.1rem;
}

.input-field input {
    background: none;
    outline: none;
    border: none;
    line-height: 1;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.input-field input::placeholder {
    color: var(--text-muted);
    font-weight: 500;
}

.password-toggle {
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.password-toggle.active {
    color: var(--accent-primary);
}


.social-text {
    margin: 20px 0 10px;
    font-size: 1rem;
    color: var(--text-secondary);
    text-align: center;
}

.social-media {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.social-icon {
    height: 50px;
    width: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    text-decoration: none;
    font-size: 1.5rem;
    transition: var(--transition-smooth);
    cursor: pointer;
    box-shadow: var(--shadow-soft);
}

/* Hover effects for social icons */
.social-icon:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    border-color: var(--accent-primary);
    background-color: var(--bg-quaternary);
}

.social-icon .fa-github {
    color: var(--text-primary); /* Default GitHub icon color */
}

.social-icon:hover .fa-github {
    color: #9d5ce8; /* GitHub specific hover color from theme */
}

/* Specific adjustments for image-based social icons */
.social-icon img {
    filter: invert(0.9); /* Adjusts brightness for visibility on dark backgrounds */
    transition: filter var(--transition-fast);
}

.social-icon:hover img {
    filter: invert(1); /* Full brightness on hover */
}


.btn {
    width: 180px;
    background: var(--gradient-accent);
    border: none;
    outline: none;
    height: 50px;
    border-radius: var(--radius-full);
    color: var(--text-primary);
    text-transform: uppercase;
    font-weight: 700;
    margin: 15px 0;
    cursor: pointer;
    transition: var(--transition-smooth);
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-soft);
}

.btn:hover {
    background: var(--gradient-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.forgot-password {
    text-decoration: none;
    color: var(--text-accent);
    font-size: 0.9rem;
    margin-top: 10px;
    transition: var(--transition-fast);
}

.forgot-password:hover {
    text-decoration: underline;
    color: var(--accent-success);
}


.panels-container {
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

.container:before {
    content: "";
    position: absolute;
    height: 2000px;
    width: 2000px;
    top: -10%;
    right: 48%;
    transform: translateY(-50%);
    background: var(--gradient-primary); /* Use gradient for background circle */
    transition: 1.8s ease-in-out;
    border-radius: 50%;
    z-index: 6;
}

.image {
    width: 100%;
    transition: transform 1.1s ease-in-out;
    transition-delay: 0.4s;
}

.panel {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-around;
    text-align: center;
    z-index: 6;
    padding: 3rem 17% 2rem 12%; /* Keep original padding for content alignment */
}

.left-panel {
    pointer-events: all;
}

.right-panel {
    pointer-events: none;
}

.panel .content {
    color: var(--text-primary);
    transition: transform 0.9s ease-in-out;
    transition-delay: 0.6s;
}

.panel h3 {
    font-weight: 600;
    line-height: 1;
    font-size: 1.8rem; /* Slightly larger for impact */
    margin-bottom: 15px;
}

.panel p {
    font-size: 1rem;
    padding: 0.7rem 0;
    color: var(--text-secondary);
}

.btn.transparent {
    margin: 15px 0;
    background: none;
    border: 2px solid var(--text-primary);
    color: var(--text-primary);
    width: 140px;
    height: 45px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.btn.transparent:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}


.right-panel .image,
.right-panel .content {
    transform: translateX(800px);
}

/* SIGN UP MODE */

.container.sign-up-mode:before {
    transform: translate(100%, -50%);
    right: 52%;
}

.container.sign-up-mode .left-panel .image,
.container.sign-up-mode .left-panel .content {
    transform: translateX(-800px);
}

.container.sign-up-mode .sign-in-signup {
    left: 25%;
}

.container.sign-up-mode form.sign-up-form {
    opacity: 1;
    z-index: 2;
}

.container.sign-up-mode form.sign-in-form {
    opacity: 0;
    z-index: 1;
}

.login {
    margin-top: 20px;
    margin-bottom: 10px;
}

.container.sign-up-mode .right-panel .image,
.container.sign-up-mode .right-panel .content {
    transform: translateX(0%);
}

.container.sign-up-mode .left-panel {
    pointer-events: none;
}

.container.sign-up-mode .right-panel {
    pointer-events: all;
}

.homeBtn {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--glass-bg-light); /* Glass effect for home button */
    color: var(--text-primary);
    padding: 15px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    z-index: 10;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-soft);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.homeBtn:hover {
    background: var(--bg-quaternary);
    color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
}


.password-strength {
    display: flex;
    gap: 5px;
    margin: 10px 0;
    width: 100%;
    max-width: 380px; /* Align with input fields */
}

.password-strength div {
    flex: 1;
    height: 6px;
    background-color: var(--bg-secondary);
    border-radius: 3px;
    transition: background-color 0.3s ease;
}

/* Password strength bar colors using theme accents */
#strength-weak { background-color: var(--accent-secondary); } /* Pink for weak */
#strength-medium { background-color: var(--accent-warning); } /* Orange for medium */
#strength-strong { background-color: var(--accent-success); } /* Green for strong */


/* Toast styles (retained but ensures color consistency) */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
}

.toast {
    background-color: var(--glass-bg);
    color: var(--text-primary);
    padding: 15px;
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    border: 1px solid var(--glass-border-light);
    box-shadow: var(--shadow-soft);
}

.toast.show {
    opacity: 1;
}

.toast.success {
    background-color: var(--accent-success);
    color: var(--bg-primary); /* Text on success toast should contrast */
}

.toast.error {
    background-color: var(--accent-secondary);
    color: var(--bg-primary); /* Text on error toast should contrast */
}

/* --- Media Queries for Responsiveness --- */
@media (max-width: 870px) {
    .container {
        min-height: 800px;
        height: 100vh;
    }

    .sign-in-signup {
        width: 90%; /* Wider on smaller screens */
        top: 95%;
        transform: translate(-50%, -100%);
        transition: 1s 0.8s ease-in-out;
        left: 50%; /* Center forms */
        padding: 0; /* Remove padding from this container */
    }

    form {
        padding: 3rem 2rem; /* Adjusted padding for forms */
    }


    .panels-container {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 2fr 1fr;
    }

    .panel {
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        padding: 2.5rem 8%;
        grid-column: 1 / 2;
    }

    .right-panel {
        grid-row: 3 / 4;
    }

    .left-panel {
        grid-row: 1 / 2;
    }

    .image {
        width: 200px;
        transition: transform 0.9s ease-in-out;
        transition-delay: 0.6s;
    }

    .panel .content {
        padding-right: 15%;
        transition: transform 0.9s ease-in-out;
        transition-delay: 0.8s;
    }

    .panel h3 {
        font-size: 1.5rem;
    }

    .panel p {
        font-size: 0.85rem;
        padding: 0.5rem 0;
    }

    .btn.transparent {
        width: 120px;
        height: 40px;
        font-size: 0.8rem;
    }

    .container:before {
        width: 1500px;
        height: 1500px;
        transform: translateX(-50%);
        left: 30%;
        bottom: 68%;
        right: initial;
        top: initial;
        transition: 2s ease-in-out;
    }

    .container.sign-up-mode:before {
        transform: translate(-50%, 100%);
        bottom: 32%;
        right: initial;
    }

    .container.sign-up-mode .left-panel .image,
    .container.sign-up-mode .left-panel .content {
        transform: translateY(-300px);
    }

    .container.sign-up-mode .right-panel .image,
    .container.sign-up-mode .right-panel .content {
        transform: translateY(0px);
    }

    .right-panel .image,
    .right-panel .content {
        transform: translateY(300px);
    }

    .container.sign-up-mode .sign-in-signup {
        top: 5%;
        transform: translate(-50%, 0);
    }

    .homeBtn {
        top: 15px;
        left: 15px;
        padding: 12px;
        font-size: 1rem;
    }
}

@media (max-width: 570px) {
    form {
        padding: 0 1.5rem;
    }

    .image {
        display: none;
    }

    .panel .content {
        padding: 0.5rem 1rem;
    }

    .container {
        padding: 1.5rem;
    }

    .container:before {
        bottom: 72%;
        left: 50%;
    }

    .container.sign-up-mode:before {
        bottom: 28%;
        left: 50%;
    }

    .title {
        font-size: 2rem;
    }

    .input-field {
        height: 50px;
    }

    .input-field i,
    .input-field input {
        font-size: 1rem;
    }

    .social-icon {
        height: 45px;
        width: 45px;
        font-size: 1.3rem;
    }

    .btn {
        width: 150px;
        height: 45px;
        font-size: 0.9rem;
    }
}