/* =========== GENERAL STYLES & VARIABLES =========== */
:root {
    --primary-color: #F97316; /* Orange */
    --text-color: #1F2937; /* Very Dark Gray */
    --subtitle-color: #6B7280; /* Medium Gray */
    --background-color: #F9FAFB; /* Light Gray Background */
    --form-bg-color: #FFFFFF;
    --input-bg-color: #F3F4F6; /* Lighter Gray for inputs */
    --border-color: #E5E7EB; /* Light Gray Border */
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* =========== HEADER =========== */
header {
    width: 100%;
    background-color: var(--form-bg-color);
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-color);
}

.logo i {
    font-size: 28px;
    margin-right: 8px;
    color: var(--primary-color);
}

/* =========== MAIN CONTENT & SIGNUP FORM =========== */
main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.signup-container {
    background-color: var(--form-bg-color);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.signup-container h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.signup-container .subtitle {
    color: var(--subtitle-color);
    margin-bottom: 30px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

form input {
    width: 100%;
    padding: 14px 16px;
    border: none;
    border-radius: 8px;
    background-color: var(--input-bg-color);
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
}

form input:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 1px;
}

.btn {
    padding: 14px 24px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 10px;
}

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

.btn-primary:hover {
    background-color: #EA580C; /* Darker Orange */
}

.login-link {
    margin-top: 25px;
    font-size: 14px;
    color: var(--subtitle-color);
}

.login-link a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.login-link a:hover {
    text-decoration: underline;
}

/* =========== DARK THEME =========== */
body.dark-theme {
    --primary-color: #FB923C;
    --text-color: #FFFFFF;
    --subtitle-color: #b3b3b3;
    --background-color: #000000;
    --form-bg-color: #1a1a1a;
    --input-bg-color: #0a0a0a;
    --border-color: #2d2d2d;
}

body.dark-theme header {
    background-color: var(--form-bg-color);
    border-bottom: 1px solid var(--border-color);
}

body.dark-theme .signup-form-card {
    background-color: var(--form-bg-color);
    border: 1px solid var(--border-color);
}

body.dark-theme input,
body.dark-theme select {
    background-color: var(--input-bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

body.dark-theme input:focus,
body.dark-theme select:focus {
    border-color: var(--primary-color);
    background-color: var(--input-bg-color);
}

body.dark-theme .login-link {
    color: var(--subtitle-color);
}

body.dark-theme .login-link a {
    color: var(--primary-color);
}

/* =========== GOOGLE SIGN-IN BUTTON =========== */
.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 14px 20px;
    background-color: #fff;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 10px;
}

.google-btn:hover {
    background-color: #f9fafb;
    border-color: #d1d5db;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.google-btn svg {
    flex-shrink: 0;
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 15px 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #e5e7eb;
}

.divider span {
    padding: 0 15px;
    color: #9ca3af;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
}

/* Dark theme Google button */
body.dark-theme .google-btn {
    background-color: #1a1a1a;
    border-color: #374151;
    color: #e5e7eb;
}

body.dark-theme .google-btn:hover {
    background-color: #262626;
    border-color: #4b5563;
}

body.dark-theme .divider::before,
body.dark-theme .divider::after {
    border-bottom-color: #374151;
}

body.dark-theme .divider span {
    color: #6b7280;
}